{"id":"CVE-2026-63001","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-63001","generatedAt":"2026-10-28T02:21:55.114Z","title":"An administrator with Media Manager access can store HTML in a type name, and the payload executes in another administrator's browser when that administrator tries to delete media referenced by the type's effects, enabling session theft or unauthorized…","description":"REDAXO is a PHP-based content management system. Prior to 5.21.2, the mediaIsInUse() handler in redaxo/src/addons/media_manager/lib/media_manager.php inserts a Media Manager type name into raw backend warning HTML without escaping it when invoked through MEDIA_IS_IN_USE. An administrator with Media Manager access can store HTML in a type name, and the payload executes in another administrator's browser when that administrator tries to delete media referenced by the type's effects, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2.","published":"2026-09-23T15:17:16.000Z","lastModified":"2026-10-19T20:35:20.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["redaxo/redaxo"],"epss":{"score":0.00197,"percentile":0.09345,"date":"2026-10-26","history":[{"date":"2026-09-24","score":0.00183,"percentile":0.06972}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-23T15:17:16.000Z","detail":{"score":"4.8","severity":"MEDIUM","publishedAt":"2026-09-23T15:17:15.617Z"},"summary":"New CVE, medium severity (CVSS 4.8)."}],"references":[{"url":"https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/redaxo/core/pull/6581","tags":["Issue Tracking","Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/redaxo/core/releases/tag/5.21.2","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/redaxo/core/security/advisories/GHSA-mf2p-wjp4-99pq","tags":["Exploit","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63001","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}