CVE-2025-13737 Nextend Social Login and Register <= 3.1.21 - Cross-Site Request Forgery to Unlink User Social Login
Attackers can trick administrators into unlinking social login accounts via forged requests, requiring an upgrade to the Nextend Social Login plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13737?
CVE-2025-13737 is a medium-severity vulnerability in nextendweb Nextend Social Login and Register, published on 28 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Nextend Social Login and Register plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1.21. This is due to missing or incorrect nonce validation on the 'unlinkUser' function. This makes it possible for unauthenticated attackers to unlink the user's social login via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2025-13737?
How do I fix CVE-2025-13737?
No fix has been published for CVE-2025-13737 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13737 being exploited?
There is no known exploitation of CVE-2025-13737 in the wild and no public exploit code.
Sources
Also known as GHSA-f85c-2x25-hppv.