CVE-2021-4374

CRITICAL 9.1

WordPress Automatic Plugin <= 3.53.2 - Unauthenticated Arbitrary Options Update

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

The WordPress Automatic Plugin for WordPress is vulnerable to arbitrary options updates in versions up to, and including, 3.53.2. This is due to missing authorization and option validation in the process_form.php file. This makes it possible for unauthenticated attackers to arbitrarily update the settings of a vulnerable site and ultimately compromise the entire site.

CWE	CWE-862
Vendor	valvepress
Product	wordpress automatic plugin
Published	Jun 7, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ValvePress / WordPress Automatic Plugin

0 < 3.53.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/d0567dc8-7a4c-42f4-bf45-f31a8efaa354?source=cve blog.nintechnet.com: https://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-automatic-plugin/

Credits

Jerome Bruandet