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6.4

Pinterest Site Verification plugin for WordPress allows attackers to inject scripts

CVE-2026-3142
Summary

The Pinterest Site Verification plugin for WordPress, used in versions up to 1.8, has a security flaw that allows an attacker to inject malicious code into a website. This can harm users who visit the website, and to fix the issue, update the plugin to a newer version.

Original title
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 ins...
Original description
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.
nvd CVSS3.1 6.4
Vulnerability type
CWE-79 Cross-site Scripting (XSS)
Published: 8 Apr 2026 · Updated: 9 Apr 2026 · First seen: 8 Apr 2026