CVE-2025-11172

MEDIUM 4.3

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

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	plagiarismchecker
Product	check plagiarism
Published	Oct 24, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

plagiarismchecker / Check Plagiarism

0 ≤ 2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ade64c1d-65e6-4424-b2da-dc63b49f08aa?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/check-plagiarism/trunk/index.php#L760

Credits

Jonas Benjamin Friedli