CVE-2025-14540 Userback <= 1.0.15 - Missing Authorization to Authenticated (Subscriber+) Plugin's Configuration Exposure
Authenticated subscribers can access sensitive plugin configuration and private content due to missing capability checks in the Userback WordPress plugin.
- 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-2025-14540?
CVE-2025-14540 is a medium-severity missing authorization vulnerability in Userback, published on 13 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Userback plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the userback_get_json function in all versions up to, and including, 1.0.15. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract plugin's configuration data including the Userback API access token and site's posts/pages contents, including those that have private and draft status.
Weakness: CWE-862
Which versions are affected by CVE-2025-14540?
How do I fix CVE-2025-14540?
No fix has been published for CVE-2025-14540 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-2025-14540 being exploited?
There is no known exploitation of CVE-2025-14540 in the wild and no public exploit code.
Sources
Also known as GHSA-9452-q4cx-rvq7.