CVE-2026-73318

EUVD-2026-72755
XenForo before 2.3.13 contains a missing authorization vulnerability in the force-agreement controller that allows any ACP administrator to access and submit force-agreement forms regardless of their assigned permissions. Attackers can bypass the option permission declared in the navigation configuration to update the global policy last-updated timestamp, forcing all users to re-agree to the privacy policy or terms of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.8 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 41.16%
Affected Products (NVD)
VendorProductVersion
xenforoxenforo
𝑥
< 2.3.13
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://bombobombone.github.io/posts/cve-2026-73318/
https://github.com/BomboBombone/CVE-2026-73318
https://www.vulncheck.com/advisories/xenforo-missing-authorization-via-force-agreement-controller
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/