CVE-2026-85653
Contextual Related Posts <= 4.4.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter
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 'other_attributes' Block Parameter in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-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 | Sep 22, 2026 |
Stay Ahead of the Next One
Get instant alerts for ajay contextual related posts
Be the first to know when new medium vulnerabilities affecting ajay contextual related posts are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
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 ≤ 4.4.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1ee59a73-c449-462d-9ff0-b652be56b73b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.4.0/includes/frontend/class-media-handler.php#L972 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.4.0/includes/frontend/blocks/class-blocks.php#L95 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.4.0/includes/frontend/class-media-handler.php#L133 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.4.0/includes/frontend/class-media-handler.php#L854 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.2.4/includes/frontend/class-media-handler.php#L972 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.2.4/includes/frontend/blocks/class-blocks.php#L95 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.2.4/includes/frontend/class-media-handler.php#L133 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/contextual-related-posts/tags/4.2.4/includes/frontend/class-media-handler.php#L854 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?reponame=&old=3703115%40contextual-related-posts&new=3703115%40contextual-related-posts
Credits
Athiwat Tiprasaharn (Jitlada) Itthidej Aramsri (Boeing777)