{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-117536","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-27T10:33:39.045Z","datePublished":"2026-10-27T10:59:31.445Z","dateUpdated":"2026-10-27T10:59:31.445Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-27T10:59:31.445Z"},"datePublic":"2026-07-31T00:00:00.000Z","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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Cross-Site Request Forgery (CSRF)","cweId":"CWE-352","type":"CWE"}]}],"affected":[{"vendor":"redaxo","product":"core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"5.21.3"},{"version":"5.21.3","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:*","versionEndExcluding":"5.21.3"}]}]}],"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"}}],"references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-mrrj-4f5x-j958","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-mrrj-4f5x-j958)"},{"name":"VulnCheck Advisory: REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-token-bypass-via-users-users-privilege-escalation"}],"credits":[{"lang":"en","value":"V-C-Williams","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}