CVE-2026-85653

Contextual Related Posts <= 4.4.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter

Published: Sep 22, 2026Updated: Sep 22, 2026 Sources: CVE List NVDCWE-79

6.4MEDIUM

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

ajay

commercial

Contextual Related PostsOn-prem

Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

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

and 7 more references View all →

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