{"items":[{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","revision":6,"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-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"GitHub lists this reviewed advisory for redaxo/source. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2742523518bf97d818d83591140f6b50"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63001","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.076Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-94ae8d5fc5c34001af70c3761f09c5d8"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["<= 5.21.1"]},{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-11-08T19:53:33.611Z","source_updated_at":"2026-09-23T14:04:40.000Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","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":"2026-10-31T21:42:30.978Z"},{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","revision":5,"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-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"GitHub lists this reviewed advisory for redaxo/source. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1286e3f3299329e08db9f716661c7720"],"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},{"summary":"The original advisory lists fixed boundaries 5.21.2 for redaxo/source. Confirm the publisher’s latest guidance.","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-94ae8d5fc5c34001af70c3761f09c5d8","url":"https://github.com/advisories/GHSA-mf2p-wjp4-99pq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63001","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.860Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-94ae8d5fc5c34001af70c3761f09c5d8"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["<= 5.21.1"]},{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-11-04T10:04:47.612Z","source_updated_at":"2026-09-23T14:04:40.000Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","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":"2026-10-31T21:42:30.978Z"},{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","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-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"GitHub lists this reviewed advisory for redaxo/source. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2104551efdc4feace9aaebf4ba224ce5"],"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},{"summary":"The original advisory lists fixed boundaries 5.21.2 for redaxo/source. Confirm the publisher’s latest guidance.","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"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":[{"kind":"CVSS","as_of":"2026-09-23T14:04:40.000Z","value":"4.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-94ae8d5fc5c34001af70c3761f09c5d8"},{"kind":"CVSS","as_of":"2026-10-19T20:35:19.627Z","value":"4.8 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1dbc31c7d9cb5f49ce530cc788273046"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.197%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.09487. Missing scores are unknown.","source_id":"sr-2104551efdc4feace9aaebf4ba224ce5"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63001","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-94ae8d5fc5c34001af70c3761f09c5d8"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["<= 5.21.1"]},{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-11-01T14:34:07.537Z","source_updated_at":"2026-09-23T14:04:40.000Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.978Z"},{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"GitHub lists this reviewed advisory for redaxo/source. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2104551efdc4feace9aaebf4ba224ce5"],"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},{"summary":"The original advisory lists fixed boundaries 5.21.2 for redaxo/source. Confirm the publisher’s latest guidance.","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"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":[{"kind":"CVSS","as_of":"2026-09-23T14:04:40.000Z","value":"4.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-94ae8d5fc5c34001af70c3761f09c5d8"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.197%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.09487. Missing scores are unknown.","source_id":"sr-2104551efdc4feace9aaebf4ba224ce5"}],"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-94ae8d5fc5c34001af70c3761f09c5d8","url":"https://github.com/advisories/GHSA-mf2p-wjp4-99pq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-63001","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-94ae8d5fc5c34001af70c3761f09c5d8"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["<= 5.21.1"]},{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-11-01T07:29:12.929Z","source_updated_at":"2026-09-23T14:04:40.000Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.978Z"},{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"OSV carries this publisher advisory for redaxo/source. 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 5.21.2 for redaxo/source. Confirm the publisher’s latest guidance.","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"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-2104551efdc4feace9aaebf4ba224ce5"],"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":"0.197%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.09487. Missing scores are unknown.","source_id":"sr-2104551efdc4feace9aaebf4ba224ce5"}],"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-4bcaceed8e7211c8dacf4a10985ef532","url":"https://github.com/advisories/GHSA-mf2p-wjp4-99pq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mf2p-wjp4-99pq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.978Z"},{"id":"sr-2104551efdc4feace9aaebf4ba224ce5","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-2026-63001","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-10-31T22:27:09.609Z","source_updated_at":"2026-09-23T14:15:04.450Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","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":"2026-10-31T21:42:30.978Z"},{"id":"NVI-00003807","kind":"vulnerability","title":"REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mf2p-wjp4-99pq","CVE-2026-63001"],"plain_summary":"OSV carries this publisher advisory for redaxo/source. 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 5.21.2 for redaxo/source. Confirm the publisher’s latest guidance.","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"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-4bcaceed8e7211c8dacf4a10985ef532","url":"https://github.com/advisories/GHSA-mf2p-wjp4-99pq","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-mf2p-wjp4-99pq","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.978Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4bcaceed8e7211c8dacf4a10985ef532"],"technology":"redaxo/source","known_exclusions":[],"conditions_summary":"### Summary\n\nA stored cross-site scripting (XSS) vulnerability exists in REDAXO CMS 5.x. When an administrator attempts to delete a media file that is referenced by a Media Manager effect, the warning message rendered in the backend includes the type's `name` field without HTML escaping. An attacker with access to the Media Manager addon can store an XSS payload as a type name; the payload executes in the browser of any administrator who subsequently tries to delete a media file linked to that type's effects. This can lead to session hijacking and full backend account takeover.\n\n---\n\n### Details\n\n**File:** `redaxo/src/addons/media_manager/lib/media_manager.php`\n**Function:** `mediaIsInUse()` — registered on the `MEDIA_IS_IN_USE` extension point in `boot.php`\n\nWhen `rex_media_service::deleteMedia()` is called, it invokes `rex_mediapool::mediaIsInUse($filename)`, which fires the `MEDIA_IS_IN_USE` extension point. The media_manager addon's handler queries all effects whose `parameters` JSON contains the filename, then constructs an HTML anchor with the type name inserted verbatim:\n\n```php\n// media_manager.php ~line 457  ← VULNERABLE\n$message = '<a href=\"javascript:openPage(\\'' . rex_u","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.21.2"]}],"null_published_at":"2026-10-31T22:12:52.596Z","source_updated_at":"2026-09-23T14:15:04.450Z","source_disclosed_at":"2026-09-23T14:04:40.000Z","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":"2026-10-31T21:42:30.978Z"}],"next_cursor":null,"snapshot_revision":"42594"}