Stored Cross-Site Scripting in Comment SPAM Wiper Plugin for WordPress
CVE-2026-3353

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Comment Spam Wiper
Vendor
CVE Published:
21 March 2026

What is CVE-2026-3353?

The Comment SPAM Wiper plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping within the 'API Key' setting. This vulnerability potentially allows authenticated attackers with Administrator-level access or higher to inject malicious scripts. These scripts are executed whenever a user accesses the compromised pages. The issue impacts WordPress multi-site installations and those with unfiltered_html disabled, highlighting the importance of maintaining proper security practices and updates.

Affected Version(s)

Comment SPAM Wiper 0 <= 1.2.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/comment-spam-w...
https://plugins.trac.wordpress.org/browser/comment-spam-w...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Nur Ibnu Hubab
.