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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.

PUBLISHED Reserved 2025-11-26 | Published 2025-11-28 | Updated 2025-11-28 | Assigner Wordfence




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Problem types

CWE-352 Cross-Site Request Forgery (CSRF)

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-11-26:Vendor Notified
2025-11-27:Disclosed

Credits

M Indra Purnama finder

References

www.wordfence.com/...-d267-4fd3-a4fd-022aa657c796?source=cve

plugins.trac.wordpress.org/...s/3.1.21/includes/provider.php

plugins.trac.wordpress.org/...ct/trunk/includes/provider.php

cve.org (CVE-2025-13737)

nvd.nist.gov (CVE-2025-13737)

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