CVE-2024-9520: UserPlus <= 2.0 - Missing Authorization via Multiple Functions

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-10 · updated 2026-06-17
Weakness: CWE-862

Description

The UserPlus plugin for WordPress is vulnerable to unauthorized access, modification, and loss of data due to a missing capability check on multiple functions in all versions up to, and including, 2.0. This makes it possible for authenticated attackers with subscriber-level permissions or above, to add, modify, or delete user meta and plugin options.

Affected products

userplus User registration & user profile – UserPlus: through 2.0

References

https://plugins.trac.wordpress.org/browser/userplus/trunk/admin/admin-ajax.php?rev=1627771#L186
https://plugins.trac.wordpress.org/browser/userplus/trunk/admin/admin-ajax.php?rev=1627771#L216
https://plugins.trac.wordpress.org/browser/userplus/trunk/admin/admin-ajax.php?rev=1627771#L225
https://www.wordfence.com/threat-intel/vulnerabilities/id/e64e41a1-ea8e-41b4-911c-672caf0d2df1?source=cve

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