Check Plagiarism <= 2.0 - Missing Authorization to Authenticated (Subscriber+) Settings Update

Missing Authorization
CVE CVE-2025-11172
CVSS Medium (4.3)
Publicly Published October 23, 2025
Last Updated October 24, 2025
Researcher Jonas Benjamin Friedli
Description

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.

References

1 affected software package

Software Type Plugin
Software Slug check-plagiarism (view on wordpress.org)
Patched? No
Affected Version
  • <= 2.0
Patched Version
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