CVE-2026-13177 Eventin < 4.1.20 - Contributor+ Order Information Disclosure via IDOR

Medium 4.3 Published Updated

Contributors can read other customers' personal order data by iterating identifiers due to missing authorization checks in the Eventin 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-2026-13177?

CVE-2026-13177 is a medium-severity missing authorization vulnerability in Unknown Eventin, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Eventin WordPress plugin before 4.1.20 does not properly restrict access to individual order records, allowing users with contributor-level access and above to read other customers' order data including personal information by iterating order identifiers.

Weakness: CWE-639

Which versions are affected by CVE-2026-13177?

How do I fix CVE-2026-13177?

No fix has been published for CVE-2026-13177 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-2026-13177 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13177 exists.

Sources

Also known as GHSA-gf78-3gg4-868g.

Is CVE-2026-13177 in your software?

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