PatchTheCVECVE-2026-73317: XenForo before 2.3.13 contains a missing authorization vulnerability in the ACP cache-rebuild dispatcher that
CVE-2026-73317 is a low-severity flaw (CVSS 2.7) affecting xenforo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
XenForo before 2.3.13 contains a missing authorization vulnerability in the ACP cache-rebuild dispatcher that allows limited administrators with only the rebuildCache permission to perform unauthorized approval queue actions by supplying an arbitrary job class and actor user ID in the POST body. Attackers can invoke the approval queue job under any user identity to approve queued user registrations without holding the required approval-queue or m
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 2.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-09-08 |
| Last modified | 2026-09-11 |
Last updated 2026-09-11 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-73317?
xenforo: upgrade to 2.3.13. Exact commands for each OS are on this page.
Is CVE-2026-73317 being exploited?
CVE-2026-73317 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-73317 affect?
CVE-2026-73317 affects xenforo. Severity is low (CVSS 2.7). XenForo before 2.3.13 contains a missing authorization vulnerability in the ACP cache-rebuild dispatcher that allows limited administrators with only the rebuildCache permission to perform unauthorized approval queue actions by supplying an
How urgent is CVE-2026-73317?
Priority 23/100. Public exploit reference
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