CVE-2026-11801 Missing authorization in WPAdverts – Classifieds Plugin
Unauthenticated attackers can access sensitive internal configuration data via the classifieds-types REST endpoint in WPAdverts plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11801?
CVE-2026-11801 is a high-severity missing authorization vulnerability in gwin WPAdverts – Classifieds Plugin, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WPAdverts – Classifieds Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.3.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to retrieve internal site configuration data exposed by the classifieds-types REST endpoint, including registered post types, labels, associated taxonomies, form scheme metadata, contact options, and custom field meta keys.
Weakness: CWE-862
Which versions are affected by CVE-2026-11801?
How do I fix CVE-2026-11801?
No fix has been published for CVE-2026-11801 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-2026-11801 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11801 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-wq35-q2m8-gxvq.