Stored Cross-Site Scripting Vulnerability in Contextual Related Posts Plugin for WordPress
CVE-2026-2986

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Contextual Related Posts
Vendor
CVE Published:
18 April 2026

What is CVE-2026-2986?

The Contextual Related Posts plugin for WordPress is susceptible to Stored Cross-Site Scripting (XSS) vulnerabilities due to inadequate input sanitization and output escaping in the 'other_attributes' parameter. This issue affects versions 4.2.1 and earlier, allowing authenticated attackers with contributor-level access or higher to insert malicious web scripts into pages. These scripts can execute whenever a user accesses the affected page, leading to potential data theft or session hijacking.

Affected Version(s)

Contextual Related Posts 0 <= 4.2.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3481684/cont...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn
Itthidej Aramsri
.