CVE-2026-3142
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
The Pinterest Site Verification plugin using Meta Tag for WordPress versions up to 1.8 contains a stored cross-site scripting vulnerability via the 'post_var' parameter due to insufficient input sanitization and output escaping. Authenticated attackers with subscriber-level access and above can inject arbitrary web scripts that execute whenever a user accesses an injected page.
Risk Assessment
Attackers can execute arbitrary scripts in the victim's browser, potentially leading to session data theft, redirects to malicious sites, or credential theft.
Recommendation
Update the Pinterest Site Verification plugin to the latest version and restrict subscriber-level permissions.
Original NVD description (English source)
The Pinterest Site Verification plugin using Meta Tag plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_var' parameter in versions up to, and including, 1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.