Stored Cross-Site Scripting in Related Posts Lite Plugin for WordPress
CVE-2025-11926

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Related Posts Lite
Vendor
CVE Published:
18 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11926?

The Related Posts Lite plugin for WordPress is susceptible to a Stored Cross-Site Scripting vulnerability, due to inadequate input sanitization and output escaping in admin settings. This issue affects all versions up to 1.12, enabling authenticated attackers with administrator-level permissions to inject malicious web scripts. These scripts could execute when users access compromised pages, posing a significant risk to multi-site installations and setups with unfiltered_html disabled.

Affected Version(s)

Related Posts Lite 0 <= 1.12

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-11926
Created by prabhatverma47

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/related-posts-...
https://wordpress.org/plugins/related-posts-lite/?utm_sou...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Prabhat Verma
.