CVE-2025-13950 OneSignal – Web Push Notifications <= 3.6.1 - Missing Authorization to Unauthenticated Plugin Settings Update
Unauthenticated attackers can modify OneSignal plugin settings, including API keys, due to missing capability checks in the 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-2025-13950?
CVE-2025-13950 is a medium-severity missing authorization vulnerability in OneSignal – Web Push Notifications, published on 15 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the settings handling functionality in all versions up to, and including, 3.6.1. This is due to the plugin processing POST requests without verifying user capabilities or nonces. This makes it possible for unauthenticated attackers to overwrite the OneSignal App ID, REST API key, and notification behavior via direct POST requests.
Weakness: CWE-862
Which versions are affected by CVE-2025-13950?
How do I fix CVE-2025-13950?
No fix has been published for CVE-2025-13950 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-2025-13950 being exploited?
There is no known exploitation of CVE-2025-13950 in the wild and no public exploit code.
Sources
Also known as GHSA-9jm2-ww3f-6gg3.