CVE-2026-2986

MEDIUM 6.4

Contextual Related Posts <= 4.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'other_attributes'

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	ajay
Product	contextual related posts
Published	Apr 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ajay / Contextual Related Posts

0 ≤ 4.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/8f59e069-a953-47b6-8106-55f55df722ed?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3481684/contextual-related-posts

Credits

Athiwat Tiprasaharn Itthidej Aramsri