CVE-2025-3921: PeproDev Ultimate Profile Solutions 1.9.1 - 7.5.2 - Missing Authorization to Limited Unauthenticated Arbitrary User Meta Update via handel_ajax_req...
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.
Classification
CVE ID: CVE-2025-3921
CVSS Base Severity: HIGH
CVSS Base Score: 8.2
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Problem Types
CWE-285 Improper AuthorizationAffected Products
Vendor: peprodev
Product: PeproDev Ultimate Profile Solutions
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 22.8% (scored less or equal to compared to others)
EPSS Date: 2025-06-04 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-3921https://www.wordfence.com/threat-intel/vulnerabilities/id/a881ca02-cef9-4f4b-8a62-e241c4c80004?source=cve
https://plugins.trac.wordpress.org/browser/peprodev-ups/tags/7.5.2/login/login.php#L1483
https://wordpress.org/plugins/peprodev-ups/#developers