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CVE-2026-109980— Related Posts for WordPress <= 3.0.0 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Exposure via 'rp4wp_view' Parameter

Quick assessment

Affected
barrykooij Related Posts for WordPress
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"Related Posts for WordPress"在所有 3.0.0 及以下版本中存在敏感信息泄露漏洞，攻击点位于 参数。该漏洞允许拥有“投稿人（Contributor）”及以上权限的已认证攻击者，提取全站所有私有文章的标题和发布日期。正常情况下，这些私有内容仅对“编辑（Editor）”及以上权限的用户可见。 该页面现有的授权检查仅验证攻击者所拥有父级文章的 和 能力，而任何“投稿人”角色均满足这两个条件，因此无法有效阻止攻击者读取其他作者创建的私有文章。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery
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I. Basic Information for CVE-2026-109980

Vulnerability Information
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Vulnerability Title
Related Posts for WordPress <= 3.0.0 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Exposure via 'rp4wp_view' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Related Posts for WordPress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.0.0 via the 'rp4wp_view' parameter. This makes it possible for authenticated attackers, with contributor-level access and above, to extract the titles and publication dates of all private posts site-wide, normally restricted to Editor-level users and above. The page's existing authorization check only verifies edit_posts and edit_post on a parent post the attacker owns, both of which any Contributor satisfies, leaving no effective gate against reading other authors' private posts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
barrykooij Related Posts for WordPress 0 ~ 3.0.0 -

II. Public POCs for CVE-2026-109980

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III. Intelligence Information for CVE-2026-109980

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Other References for CVE-2026-109980 (6)

IV. Related Vulnerabilities

Same product: Related Posts for WordPress
Same vendor: barrykooij
Same weakness: CWE-862