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Description

The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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 2026-01-13 | Published 2026-01-16 | Updated 2026-01-16 | 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

* (semver)
affected

Timeline

2026-01-15:Disclosed

Credits

Muhammad Yudha - DJ finder

References

www.wordfence.com/...-884c-4019-837a-861d36ccc842?source=cve

plugins.trac.wordpress.org/...s/2.7.6/includes/functions.php

cve.org (CVE-2026-0916)

nvd.nist.gov (CVE-2026-0916)

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