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CVE-2026-100178— WPAdverts <= 2.3.4 - Unauthenticated Stored Cross-Site Scripting via 'adverts_location' Parameter

Quick assessment

Affected
gwin WPAdverts – Classifieds Plugin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件 WPAdverts – Classifieds Plugin 在所有 2.3.4 及更早版本中存在存储型跨站脚本漏洞，原因是 'adverts_location' 参数缺乏充分的输入净化和输出转义。这使得未经身份验证的攻击者可以在网页中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将会执行。

CVSS 7.2 · High EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
gwin WPAdverts – Classifieds Plugin ≤ 2.3.4 affected
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I. Basic Information for CVE-2026-100178

Vulnerability Information
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Vulnerability Title
WPAdverts <= 2.3.4 - Unauthenticated Stored Cross-Site Scripting via 'adverts_location' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gwin WPAdverts – Classifieds Plugin 0 ~ 2.3.4 -

II. Public POCs for CVE-2026-100178

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III. Intelligence Information for CVE-2026-100178

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Patches & Fixes for CVE-2026-100178 (4)

Security Blog Posts for CVE-2026-100178 (1)

Vendor Pages for CVE-2026-100178 (1)

IV. Related Vulnerabilities

Same product: WPAdverts – Classifieds Plugin
Same vendor: gwin
Same weakness: CWE-79

V. Comments for CVE-2026-100178

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