CVE-2026-85653
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk17th 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.
Other vulnerabilities in Contextual Related Posts
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