PT-2026-33602 · Ajay · Contextual Related Posts

Athiwat Tiprasaharn + 1 · Published 2026-04-18 · Updated 2026-04-18 · CVE-2026-2986

Mitre

CVSS v3.1

6.4

Medium

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'other attributes' parameter in versions up to, and including, 4.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2986

Affected Products

Contextual Related Posts

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-2986 · Security Note
• https://plugins.trac.wordpress.org/changeset/3481684/contextual-related-posts · Note
• https://twitter.com/CVEnew/status/2045467310140321900 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/8f59e069-a953-47b6-8106-55f55df722ed?source=cve · Note