CVE-2025-13737

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published11/28/2025

Last Modified12/1/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-352

References

https://plugins.trac.wordpress.org/browser/nextend-facebook-connect/tags/3.1.21/includes/provider.php#L772(security@wordfence.com)

https://plugins.trac.wordpress.org/changeset/3404174/nextend-facebook-connect/trunk/includes/provider.php(security@wordfence.com)

https://www.wordfence.com/threat-intel/vulnerabilities/id/9c6b747e-d267-4fd3-a4fd-022aa657c796?source=cve(security@wordfence.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.