{"items":[{"id":"NVI-00006329","kind":"vulnerability","title":"Cross-site scripting (XSS) from MIME type auto-detection of uploaded files","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8fv7-wq38-f5c9","CVE-2023-38491"],"plain_summary":"OSV carries this publisher advisory for getkirby/cms, getkirby/cms, getkirby/cms, getkirby/cms, getkirby/cms. 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 3.5.8.3 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.6.6.3 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.7.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.8.4.1 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.9.6 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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-290594d2a65b50311e77e7e5e72d47ec"],"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":"0.620%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.49727. Missing scores are unknown.","source_id":"sr-290594d2a65b50311e77e7e5e72d47ec"}],"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-b0876dc4e490a89b9d87faae2f9bee0c","url":"https://github.com/advisories/GHSA-8fv7-wq38-f5c9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8fv7-wq38-f5c9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.669Z"},{"id":"sr-290594d2a65b50311e77e7e5e72d47ec","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-2023-38491","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.5.8.3"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.6.0; fixed 3.6.6.3"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.7.0; fixed 3.7.5.2"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.8.0; fixed 3.8.4.1"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.9.0; fixed 3.9.6"]}],"null_published_at":"2026-10-31T22:27:09.619Z","source_updated_at":"2024-02-16T08:05:06.128Z","source_disclosed_at":"2023-07-28T15:34:36.000Z","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":"2026-10-31T21:42:10.669Z"},{"id":"NVI-00006329","kind":"vulnerability","title":"Cross-site scripting (XSS) from MIME type auto-detection of uploaded files","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8fv7-wq38-f5c9","CVE-2023-38491"],"plain_summary":"OSV carries this publisher advisory for getkirby/cms, getkirby/cms, getkirby/cms, getkirby/cms, getkirby/cms. 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 3.5.8.3 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.6.6.3 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.7.5.2 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.8.4.1 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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 3.9.6 for getkirby/cms. Confirm the publisher’s latest guidance.","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"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-b0876dc4e490a89b9d87faae2f9bee0c","url":"https://github.com/advisories/GHSA-8fv7-wq38-f5c9","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8fv7-wq38-f5c9","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.669Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.5.8.3"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.6.0; fixed 3.6.6.3"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.7.0; fixed 3.7.5.2"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.8.0; fixed 3.8.4.1"]},{"certainty":"source_listed","source_ids":["sr-b0876dc4e490a89b9d87faae2f9bee0c"],"technology":"getkirby/cms","known_exclusions":[],"conditions_summary":"### TL;DR\n\nThis vulnerability affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content folder.\n\nYour Kirby sites are *not* affected if they don't allow file uploads for untrusted users or visitors or if the file extensions of uploaded files are limited to a fixed safe list.\n\nThe attack requires user interaction by another user or visitor and *cannot* be automated.\n\n----\n\n### Introduction\n\nCross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with the permissions of the victim.\n\nSuch vulnerabilities are critical if you might have potential attackers in your group of authenticated Panel users. They can escalate their privileges if they get access to the Panel session of an admin user. Depending on your site, other JavaScript-powered attacks are possible.\n\n### Impact\n\nAn editor with write access to the Kirby Panel could upload a file with an unknown file extension like `.xyz` that contai","public_affected_ranges":["ECOSYSTEM: introduced 3.9.0; fixed 3.9.6"]}],"null_published_at":"2026-10-31T22:13:10.051Z","source_updated_at":"2024-02-16T08:05:06.128Z","source_disclosed_at":"2023-07-28T15:34:36.000Z","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":"2026-10-31T21:42:10.669Z"}],"next_cursor":null,"snapshot_revision":"42594"}