CVE-2026-100178
WPAdverts <= 2.3.4 - Unauthenticated Stored Cross-Site Scripting via 'adverts_location' Parameter
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
The WPAdverts – Classifieds Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'adverts_location' parameter in all versions up to, and including, 2.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | gwin |
| Product | wpadverts – classifieds plugin |
| Published | Oct 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
gwin / WPAdverts – Classifieds Plugin
0 ≤ 2.3.4
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/84d362e2-a0ba-48e6-b4f5-46e080a7eee1?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions-blocks.php#L483 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions-blocks.php#L467 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/blocks/list/templates/list-item.php#L36 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions.php#L1878 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions.php#L1961 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/defaults.php#L150 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/blocks/publish/class-publish-engine.php#L422 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/wpadverts/trunk/readme.txt?rev=3732587 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3732587/wpadverts/trunk/includes/functions-blocks.php
Credits
Morato Antoine