{"items":[{"id":"NVI-00006954","kind":"vulnerability","title":"EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField","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-8559-gwj3-q37r","CVE-2026-54087"],"plain_summary":"OSV carries this publisher advisory for easycorp/easyadmin-bundle. 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 5.0.13 for easycorp/easyadmin-bundle. Confirm the publisher’s latest guidance.","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"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-9c4743083bff66c9882c7a47fe3ef849"],"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":"2026-09-30T19:57:08.043Z","value":"7.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1bcb4b3bc1008386abc08086d3b2614f"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.404%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.3465. Missing scores are unknown.","source_id":"sr-9c4743083bff66c9882c7a47fe3ef849"}],"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-c8deebe3e8e4895987c42fde2f3a9b86","url":"https://github.com/advisories/GHSA-8559-gwj3-q37r","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8559-gwj3-q37r","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.957Z"},{"id":"sr-1bcb4b3bc1008386abc08086d3b2614f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54087","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54087","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:31.710Z"},{"id":"sr-9c4743083bff66c9882c7a47fe3ef849","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-2026-54087","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.382Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"technology":"easycorp/easyadmin-bundle","known_exclusions":[],"conditions_summary":"EasyAdmin's `FileField` and `ImageField` accept browser-executable file types by default (`FileField` applies no MIME/extension restrictions; `ImageField`'s default `Image` constraint accepts SVG). When the upload directory is configured inside the public web root — as shown in the documentation — EasyAdmin links to the stored file inline (no download attribute or `Content-Disposition: attachment`).\n\nAn attacker with access to a form using these fields can upload an `.html` (`FileField`) or `.svg` (`ImageField`) file containing JavaScript. When another  user opens it from the backend, it is served from the same origin and the script executes in the context of their authenticated admin session, enabling session/CSRF-token theft or privilege escalation.\n\nExploitation requires the developer to store uploads in the public directory and a privilege gap between the uploading user and the viewing administrator. This is stored XSS only — it does not allow remote code execution, because uploaded filenames are derived from Symfony's `guessExtension()`, which never produces `.php`/`.phtml`.\n\nCredit\n\nWe would like to thank Emre Dogan for reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.0.13"]}],"null_published_at":"2026-11-04T02:53:03.169Z","source_updated_at":"2026-07-14T20:11:43.955Z","source_disclosed_at":"2026-07-14T19:51:34.000Z","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":"2026-10-31T21:41:59.957Z"},{"id":"NVI-00006954","kind":"vulnerability","title":"EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField","revision":2,"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-8559-gwj3-q37r","CVE-2026-54087"],"plain_summary":"OSV carries this publisher advisory for easycorp/easyadmin-bundle. 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 5.0.13 for easycorp/easyadmin-bundle. Confirm the publisher’s latest guidance.","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"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-1bcb4b3bc1008386abc08086d3b2614f"],"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":"2026-09-30T19:57:08.043Z","value":"7.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1bcb4b3bc1008386abc08086d3b2614f"}],"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-c8deebe3e8e4895987c42fde2f3a9b86","url":"https://github.com/advisories/GHSA-8559-gwj3-q37r","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8559-gwj3-q37r","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.957Z"},{"id":"sr-1bcb4b3bc1008386abc08086d3b2614f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54087","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54087","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:31.710Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"technology":"easycorp/easyadmin-bundle","known_exclusions":[],"conditions_summary":"EasyAdmin's `FileField` and `ImageField` accept browser-executable file types by default (`FileField` applies no MIME/extension restrictions; `ImageField`'s default `Image` constraint accepts SVG). When the upload directory is configured inside the public web root — as shown in the documentation — EasyAdmin links to the stored file inline (no download attribute or `Content-Disposition: attachment`).\n\nAn attacker with access to a form using these fields can upload an `.html` (`FileField`) or `.svg` (`ImageField`) file containing JavaScript. When another  user opens it from the backend, it is served from the same origin and the script executes in the context of their authenticated admin session, enabling session/CSRF-token theft or privilege escalation.\n\nExploitation requires the developer to store uploads in the public directory and a privilege gap between the uploading user and the viewing administrator. This is stored XSS only — it does not allow remote code execution, because uploaded filenames are derived from Symfony's `guessExtension()`, which never produces `.php`/`.phtml`.\n\nCredit\n\nWe would like to thank Emre Dogan for reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.0.13"]}],"null_published_at":"2026-11-01T14:34:07.536Z","source_updated_at":"2026-07-14T20:11:43.955Z","source_disclosed_at":"2026-07-14T19:51:34.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.957Z"},{"id":"NVI-00006954","kind":"vulnerability","title":"EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8559-gwj3-q37r","CVE-2026-54087"],"plain_summary":"OSV carries this publisher advisory for easycorp/easyadmin-bundle. 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 5.0.13 for easycorp/easyadmin-bundle. Confirm the publisher’s latest guidance.","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"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-c8deebe3e8e4895987c42fde2f3a9b86","url":"https://github.com/advisories/GHSA-8559-gwj3-q37r","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8559-gwj3-q37r","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.957Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c8deebe3e8e4895987c42fde2f3a9b86"],"technology":"easycorp/easyadmin-bundle","known_exclusions":[],"conditions_summary":"EasyAdmin's `FileField` and `ImageField` accept browser-executable file types by default (`FileField` applies no MIME/extension restrictions; `ImageField`'s default `Image` constraint accepts SVG). When the upload directory is configured inside the public web root — as shown in the documentation — EasyAdmin links to the stored file inline (no download attribute or `Content-Disposition: attachment`).\n\nAn attacker with access to a form using these fields can upload an `.html` (`FileField`) or `.svg` (`ImageField`) file containing JavaScript. When another  user opens it from the backend, it is served from the same origin and the script executes in the context of their authenticated admin session, enabling session/CSRF-token theft or privilege escalation.\n\nExploitation requires the developer to store uploads in the public directory and a privilege gap between the uploading user and the viewing administrator. This is stored XSS only — it does not allow remote code execution, because uploaded filenames are derived from Symfony's `guessExtension()`, which never produces `.php`/`.phtml`.\n\nCredit\n\nWe would like to thank Emre Dogan for reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 5.0.0; fixed 5.0.13"]}],"null_published_at":"2026-10-31T22:13:14.305Z","source_updated_at":"2026-07-14T20:11:43.955Z","source_disclosed_at":"2026-07-14T19:51:34.000Z","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":"2026-10-31T21:41:59.957Z"}],"next_cursor":null,"snapshot_revision":"42594"}