GHSA-3hj9-69jw-9xx6HighCVSS 5.9
XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows...
🔗 CVE IDs covered (1)
📋 Description
XenForo before 2.3.13 contains an authorization flaw in the OAuth2 token endpoint that allows attackers controlling any allowlisted redirect URI to bypass redirect URI binding by submitting a different allowlisted URI than the one recorded at authorization time. Attackers can exchange an intercepted authorization code using a mismatched redirect URI to steal OAuth2 tokens from intercepted authorization flows.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-73310
- https://www.vulncheck.com/advisories/xenforo-oauth2-authorization-code-token-theft-via-redirect-uri-bypass
- https://xenforo.com/community/threads/security-fixes-released-for-all-xenforo-and-media-gallery-versions-2-2-0-2-3-12.239856
- https://xenforo.com/community/threads/xenforo-2-3-13-and-add-ons-released-includes-security-fixes.239857
- https://bombobombone.github.io/posts/cve-2026-73310
- https://github.com/BomboBombone/CVE-2026-73310
- https://github.com/advisories/GHSA-3hj9-69jw-9xx6