CVE Catalog

CVE-2026-85653

MediumCVSS 6.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.26%

17th percentile - higher than 17% of all known CVEs

Summary

The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'other_attributes' Block Parameter in all versions up to and including 4.4.1 due to insufficient input sanitization and output escaping. Authenticated attackers with author-level access or above can inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk Assessment

An attacker can execute malicious scripts in users' browsers, potentially stealing data or performing unauthorized actions.

Recommendation

Update the Contextual Related Posts plugin to a version later than 4.4.1 to fix the Stored XSS vulnerability.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS