CVE-2025-11172: Plagiarismchecker Check Plagiarism

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The Check Plagiarism plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the chk_plag_mine_plugin_wpse10500_admin_action() function in all versions up to, and including, 2.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the API key.

Affected products

• Plagiarismchecker Check Plagiarism: up to and including 2.0

Published 2025-10-24. Last modified 2026-10-08.