Auth bypass in Gwin Wpadverts – Classifieds Plugin

CVE-2026-11801

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-11801: rose from 0.010 to 0.016.

EPSS over last 30 days · oldest: 0.010 · newest: 0.016 · change: +0.007

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11801?
CVE-2026-11801 is a high-severity vulnerability in Gwin Wpadverts – Classifieds Plugin, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-18.
How severe is CVE-2026-11801?
High severity. CVSS v3 base score is 7.5 out of 10.