CVE-2026-57676 WordPress Simple User Avatar plugin <= 4.9 - Insecure Direct Object References (IDOR) vulnerability
Attackers can bypass access controls to read or modify other users' avatar data in the Simple User Avatar WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57676?
CVE-2026-57676 is a medium-severity missing authorization vulnerability in Matteo Manna Simple User Avatar, published on 29 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Authorization Bypass Through User-Controlled Key vulnerability in Matteo Manna Simple User Avatar allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects Simple User Avatar: from n/a through 4.9.
Weakness: CWE-639
Which versions are affected by CVE-2026-57676?
How do I fix CVE-2026-57676?
No fix has been published for CVE-2026-57676 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-57676 being exploited?
There is no known exploitation of CVE-2026-57676 in the wild and no public exploit code.
Sources
Also known as GHSA-9324-w765-4vq2.