CVE-2025-11587 Call Now Button <= 1.5.3 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Settings Update
Authenticated subscribers can modify plugin settings and add malicious buttons on fresh installs due to missing capability checks.
- 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-2025-11587?
CVE-2025-11587 is a medium-severity missing authorization vulnerability in jgrietveld Call Now Button – The #1 Click to Call Button for WordPress, published on 29 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Call Now Button – The #1 Click to Call Button for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the activate function in all versions up to, and including, 1.5.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to link the plugin to their nowbuttons.com account and add malicious buttons to the site. The vulnerability is only exploitable on fresh installs where the plugin has not been previously configured with an API key.
Weakness: CWE-862
Which versions are affected by CVE-2025-11587?
How do I fix CVE-2025-11587?
No fix has been published for CVE-2025-11587 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-2025-11587 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11587 exists.
Sources
Also known as GHSA-5797-v2fm-f69x.