CVE-2025-12158 Simple User Capabilities <= 1.0 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation
Attackers can elevate any user to administrator due to missing capability checks in the Simple User Capabilities WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12158?
CVE-2025-12158 is a critical missing authorization vulnerability in tanvirahmed1984 Simple User Capabilities, published on 4 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Simple User Capabilities plugin for WordPress is vulnerable to Privilege Escalation due to a missing capability check on the suc_submit_capabilities() function in all versions up to, and including, 1.0. This makes it possible for unauthenticated attackers to elevate the role of any user account to administrator.
Weakness: CWE-862
Which versions are affected by CVE-2025-12158?
How do I fix CVE-2025-12158?
No fix has been published for CVE-2025-12158 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-2025-12158 being exploited?
There is no known exploitation of CVE-2025-12158 in the wild and no public exploit code.
Sources
Also known as GHSA-cw7m-pr9p-fp7m.