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CVE-2026-11801— WPAdverts <= 2.3.2 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via classifieds-types REST Endpoint

Quick assessment

Affected
gwin WPAdverts – Classifieds Plugin
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress WPAdverts – Classifieds Plugin是WordPress基金会的一款分类广告插件。 WordPress WPAdverts – Classifieds Plugin 2.3.2及之前版本存在授权问题漏洞，该漏洞源于插件未正确验证用户是否有权执行操作，可能导致未经身份验证的攻击者通过classifieds-types REST端点检索内部站点配置数据。

CVSS 7.5 · High EPSS 1.64% · P76

Public Exploits 1

Nuclei · 1 CVE-2026-11801.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
gwin WPAdverts – Classifieds Plugin ≤ 2.3.2 affected
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I. Basic Information for CVE-2026-11801

Vulnerability Information
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Vulnerability Title
WPAdverts <= 2.3.2 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via classifieds-types REST Endpoint
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress WPAdverts – Classifieds Plugin 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress WPAdverts – Classifieds Plugin是WordPress基金会的一款分类广告插件。 WordPress WPAdverts – Classifieds Plugin 2.3.2及之前版本存在授权问题漏洞，该漏洞源于插件未正确验证用户是否有权执行操作，可能导致未经身份验证的攻击者通过classifieds-types REST端点检索内部站点配置数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gwin WPAdverts – Classifieds Plugin 0 ~ 2.3.2 -

II. Public POCs for CVE-2026-11801

# POC Description Source Link Shenlong Link
1 WPAdverts – Classifieds Plugin for WordPress <= 2.3.2 contains an authorization bypass caused by improper user authorization verification in classifieds-types REST endpoint, letting unauthenticated attackers retrieve internal site configuration data, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-11801.yaml POC Details
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III. Intelligence Information for CVE-2026-11801

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Patches & Fixes for CVE-2026-11801 (2)

Security Blog Posts for CVE-2026-11801 (1)

IV. Related Vulnerabilities

Same product: WPAdverts – Classifieds Plugin
Same vendor: gwin
Same weakness: CWE-862

V. Comments for CVE-2026-11801

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