CVE-2025-11172 Check Plagiarism <= 2.0 - Missing Authorization to Authenticated (Subscriber+) Settings Update
Authenticated subscribers can update the plugin's API key due to missing capability checks, allowing unauthorized configuration changes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11172?
CVE-2025-11172 is a medium-severity missing authorization vulnerability in plagiarismchecker Check Plagiarism, published on 24 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2025-11172?
How do I fix CVE-2025-11172?
No fix has been published for CVE-2025-11172 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-11172 being exploited?
There is no known exploitation of CVE-2025-11172 in the wild and no public exploit code.
Sources
Also known as GHSA-wcq9-qf8h-vcj9.