---
id: CVE-2026-100178
title: >-
  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 escap…
summary: >-
  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 escap…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-10-10'
updated: '2026-10-10'
sourceUpdated: '2026-10-10T08:17:03.070'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100178'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/blocks/list/templates/list-item.php#L36
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/blocks/publish/class-publish-engine.php#L422
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/defaults.php#L150
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions-blocks.php#L467
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions-blocks.php#L483
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions.php#L1878
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/tags/2.3.4/includes/functions.php#L1961
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/wpadverts/trunk/readme.txt?rev=3732587
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset/3732587/wpadverts/trunk/includes/functions-blocks.php
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/84d362e2-a0ba-48e6-b4f5-46e080a7eee1?source=cve
    label: security@wordfence.com
tags:
  - nvd
ingestedAt: '2026-10-10T08:27:37.782Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.