Arbitrary Options Updates in WordPress Automatic Plugin by WordPress
CVE-2021-4374

9.1CRITICAL

Key Information:

Vendor

Wordpress
Status
WordPress Automatic Plugin
Vendor
CVE Published:
7 June 2023

What is CVE-2021-4374?

The WordPress Automatic Plugin, specifically in versions up to 3.53.2, contains a vulnerability that allows unauthenticated attackers to perform arbitrary updates to options due to insufficient authorization checks and lack of option validation in the process_form.php file. This significant flaw enables attackers to alter critical settings of compromised sites, posing a grave risk of complete site takeover without needing authentication.

Affected Version(s)

WordPress Automatic Plugin * < 3.53.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://blog.nintechnet.com/critical-vulnerability-fixed-...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jerome Bruandet
.