CVE-2026-66689

WordPress Anti Spam and list cleaner – AcyChecker plugin <= 2.0.0 - Broken Access Control vulnerability

Published Aug 13, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Unauthenticated Broken Access Control in Anti Spam and list cleaner &#8211; AcyChecker <= 2.0.0 versions.

Remediation

Vendor Solution

Update the WordPress Anti Spam and list cleaner &#8211; AcyChecker Plugin to the latest available version (at least 2.0.1).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Acymailing Newsletter Team
Acymailing Newsletter Team anti Spam And List Cleaner &#8211; Acychecker
Wordpress
Wordpress wordpress
Vendors & Products Acymailing Newsletter Team
Acymailing Newsletter Team anti Spam And List Cleaner &#8211; Acychecker
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated Broken Access Control in Anti Spam and list cleaner &#8211; AcyChecker <= 2.0.0 versions.
Title WordPress Anti Spam and list cleaner – AcyChecker plugin <= 2.0.0 - Broken Access Control vulnerability
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 13, 2026, 3:20 PM
Reserved
Jul 27, 2026, 2:01 PM
Status
Deferred
Published
Aug 13, 2026, 2:17 PM
Modified
Oct 24, 2026, 4:10 PM