PeproDev Ultimate Profile Solutions 1.9.1 - 7.5.2 - Missing Authorization to Limited Unauthenticated Arbitrary User Meta Update via handel_ajax_req Function

Improper Authorization
CVE CVE-2025-3921
CVSS High (8.2)
Publicly Published May 6, 2025
Last Updated November 5, 2025
Researcher kr0d
Description

The PeproDev Ultimate Profile Solutions plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the handel_ajax_req() function in versions 1.9.1 to 7.5.2. This makes it possible for unauthenticated attackers to update arbitrary user's metadata which can be leveraged to block an administrator from accessing their site when wp_capabilities is set to 0.

References

1 affected software package

Software Type Plugin
Software Slug peprodev-ups (view on wordpress.org)
Patched? Yes
Affected Version
  • 1.9.1 - 7.5.2
Patched Version
  • 8.0.0
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