CVE-2026-13173 Eventin < 4.1.21 - Contributor+ User Role and Meta Modification via Speaker Creation
Contributors can modify other users' roles and metadata due to missing permission checks during speaker creation in the Eventin WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-13173?
CVE-2026-13173 is a low-severity missing authorization vulnerability in Unknown Eventin, published on 19 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Eventin WordPress plugin before 4.1.21 does not verify the current user's permission to edit other users before assigning roles and updating user metadata during speaker creation, allowing users with contributor-level access and above to modify other users' roles and metadata.
Weakness: CWE-862
Which versions are affected by CVE-2026-13173?
How do I fix CVE-2026-13173?
No fix has been published for CVE-2026-13173 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-2026-13173 being exploited?
There is no known exploitation of CVE-2026-13173 in the wild and no public exploit code.
Sources
Also known as GHSA-cq65-6mp3-935p.