What’s Vulnerable › Vulnerabilities

CVE-2024-9522: WP Users Masquerade <= 2.0.0 - Authenticated (Subscriber+) Authentication Bypass

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-288

Description

The WP Users Masquerade plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.0.0. This is due to incorrect authentication and capability checking in the 'ajax_masq_login' function. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator.

Affected products

• lagunaisw WP Users Masquerade: through 2.0.0

References

• https://plugins.trac.wordpress.org/browser/wp-users-masquerade/trunk/masquerade.php?rev=1703860#L162
• https://www.wordfence.com/threat-intel/vulnerabilities/id/4a4f0909-76f6-4d27-87b1-f6cd5f5cbbb7?source=cve

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