{"id":"CVE-2026-117536","state":"PUBLISHED","title":"REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation","description":"REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the backend user administration page (users/users) because the CSRF token check only runs when the save parameter is set, while the update path triggered by FUNC_UPDATE does not require it. Attackers can lure a logged-in backend user with the users[] permission to a crafted GET link to grant administrator rights, deactivate accounts, or lock out the sole administrator.","publishedAt":"2026-10-27T10:59:31.445Z","updatedAt":"2026-10-27T10:59:31.445Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["redaxo core"],"affected":[{"vendor":"redaxo","product":"core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.21.3","versionType":"semver"},{"version":"5.21.3","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/redaxo/core/security/advisories/GHSA-mrrj-4f5x-j958","https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-token-bypass-via-users-users-privilege-escalation"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/117xxx/CVE-2026-117536.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-117536","state":"PUBLISHED","datePublished":"2026-10-27T10:59:31.445Z","dateUpdated":"2026-10-27T10:59:31.445Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-27T10:33:39.045Z"},"containers":{"cna":{"title":"REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation","descriptions":[{"lang":"en","value":"REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the backend user administration page (users/users) because the CSRF token check only runs when the save parameter is set, while the update path triggered by FUNC_UPDATE does not require it. Attackers can lure a logged-in backend user with the users[] permission to a crafted GET link to grant administrator rights, deactivate accounts, or lock out the sole administrator."}],"affected":[{"vendor":"redaxo","product":"core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.21.3","versionType":"semver"},{"version":"5.21.3","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-mrrj-4f5x-j958","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-mrrj-4f5x-j958)"},{"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-token-bypass-via-users-users-privilege-escalation","name":"VulnCheck Advisory: REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-27T10:59:31.445Z"},"datePublic":"2026-07-31T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:*","versionEndExcluding":"5.21.3"}]}]}],"credits":[{"lang":"en","value":"V-C-Williams","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}