{"items":[{"id":"NVI-00006250","kind":"vulnerability","title":"Mautic vulnerable to reflected XSS in lead:addLeadTags - Quick Add","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-9v8p-m85m-f7mm","CVE-2025-9823"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core, mautic/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.4.17 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.2.8 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.0.5 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0eb19fed175f92d84b238fae209043f6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-19T17:10:00.173Z","value":"4.8 MEDIUM (4.0)","meaning":"security@mautic.org severity; no combined Null risk score.","source_id":"sr-4bb6a446c8b8d224661c5c3b217b9c71"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.317%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2469. Missing scores are unknown.","source_id":"sr-0eb19fed175f92d84b238fae209043f6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad48b65d8065a82a438be567a6c28738","url":"https://github.com/advisories/GHSA-9v8p-m85m-f7mm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9v8p-m85m-f7mm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-4bb6a446c8b8d224661c5c3b217b9c71","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9823","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-9823","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"},{"id":"sr-0eb19fed175f92d84b238fae209043f6","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9823","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.769Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.4.17"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha; fixed 5.2.8"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0-alpha; fixed 6.0.5"]}],"null_published_at":"2026-11-06T00:29:57.259Z","source_updated_at":"2025-09-03T22:27:22.546Z","source_disclosed_at":"2025-09-03T22:18:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00006250","kind":"vulnerability","title":"Mautic vulnerable to reflected XSS in lead:addLeadTags - Quick Add","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-9v8p-m85m-f7mm","CVE-2025-9823"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core, mautic/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.4.17 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.2.8 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.0.5 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-268638195af9e1f284ec8f9006f8480b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-19T17:10:00.173Z","value":"4.8 MEDIUM (4.0)","meaning":"security@mautic.org severity; no combined Null risk score.","source_id":"sr-4bb6a446c8b8d224661c5c3b217b9c71"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.317%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2466. Missing scores are unknown.","source_id":"sr-268638195af9e1f284ec8f9006f8480b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad48b65d8065a82a438be567a6c28738","url":"https://github.com/advisories/GHSA-9v8p-m85m-f7mm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9v8p-m85m-f7mm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-4bb6a446c8b8d224661c5c3b217b9c71","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9823","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-9823","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"},{"id":"sr-268638195af9e1f284ec8f9006f8480b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9823","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.4.17"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha; fixed 5.2.8"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0-alpha; fixed 6.0.5"]}],"null_published_at":"2026-11-01T14:34:07.651Z","source_updated_at":"2025-09-03T22:27:22.546Z","source_disclosed_at":"2025-09-03T22:18:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00006250","kind":"vulnerability","title":"Mautic vulnerable to reflected XSS in lead:addLeadTags - Quick Add","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9v8p-m85m-f7mm","CVE-2025-9823"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core, mautic/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.4.17 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.2.8 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.0.5 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-268638195af9e1f284ec8f9006f8480b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.317%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.2466. Missing scores are unknown.","source_id":"sr-268638195af9e1f284ec8f9006f8480b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad48b65d8065a82a438be567a6c28738","url":"https://github.com/advisories/GHSA-9v8p-m85m-f7mm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9v8p-m85m-f7mm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"},{"id":"sr-268638195af9e1f284ec8f9006f8480b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9823","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.4.17"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha; fixed 5.2.8"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0-alpha; fixed 6.0.5"]}],"null_published_at":"2026-10-31T22:27:09.616Z","source_updated_at":"2025-09-03T22:27:22.546Z","source_disclosed_at":"2025-09-03T22:18:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.691Z"},{"id":"NVI-00006250","kind":"vulnerability","title":"Mautic vulnerable to reflected XSS in lead:addLeadTags - Quick Add","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9v8p-m85m-f7mm","CVE-2025-9823"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core, mautic/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.4.17 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.2.8 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 6.0.5 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad48b65d8065a82a438be567a6c28738","url":"https://github.com/advisories/GHSA-9v8p-m85m-f7mm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9v8p-m85m-f7mm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.691Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.4.17"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0-alpha; fixed 5.2.8"]},{"certainty":"source_listed","source_ids":["sr-ad48b65d8065a82a438be567a6c28738"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## Summary\n\nA Cross-Site Scripting (XSS) vulnerability allows an attacker to execute arbitrary JavaScript in the context of another user’s session. This occurs because user-supplied input is reflected back in the server’s response without proper sanitization or escaping, potentially enabling malicious actions such as session hijacking, credential theft, or unauthorized actions in the application.\n\n## Details\n\nThe vulnerability resides in the “Tags” input field on the /s/ajax?action=lead:addLeadTags endpoint. Although the server applies sanitization before storing the data or returning it later, the payload is executed immediately in the victim’s browser upon reflection, allowing an attacker to run arbitrary JavaScript in the user’s session.\n\n## Impact\nA Reflected XSS attack can have a significant impact, allowing attackers to steal sensitive user data like cookies, redirect users to malicious websites, manipulate the web page content, and essentially take control of a user's session within an application by executing malicious JavaScript code within the victim's browser, even if the server-side code is secure; essentially enabling them to perform actions as if they were the logged-","public_affected_ranges":["ECOSYSTEM: introduced 6.0.0-alpha; fixed 6.0.5"]}],"null_published_at":"2026-10-31T22:13:10.044Z","source_updated_at":"2025-09-03T22:27:22.546Z","source_disclosed_at":"2025-09-03T22:18:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.691Z"}],"next_cursor":null,"snapshot_revision":"42594"}