CVE-2026-2986 | THREATINT

Description

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.

PUBLISHED Reserved 2026-02-22 | Published 2026-04-18 | Updated 2026-04-18 | Assigner Wordfence

MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’)

Product status

Default status
unaffected

Any version
affected

Timeline

Credits

Athiwat Tiprasaharn finder

Itthidej Aramsri finder

References

www.wordfence.com/…-a953-47b6-8106-55f55df722ed?source=cve

plugins.trac.wordpress.org/…81684/contextual-related-posts

cve.org (CVE-2026-2986)

nvd.nist.gov (CVE-2026-2986)

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