CVE-2026-66689: WordPress Anti Spam and list cleaner – AcyChecker plugin <= 2.0.0 - Broken Access Control vulnerability
Published Aug 13, 2026
·Updated
Unauthenticated Broken Access Control in Anti Spam and list cleaner – AcyChecker <= 2.0.0 versions.
Affected Software
1 affected component
WordPress plugin AcyChecker<=2.0.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress Plugin: Anti Spam and list cleaner – AcyCheckerto a version that resolves this vulnerability.Fixed in 2.0.1
Event History
Aug 13, 2026
CVE Published
via MITRE·01:37 PM
Data Sourced
via MITRE·01:37 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-66689?
The severity of CVE-2026-66689 is rated as medium with a CVSS score of 6.3.
2
How do I fix CVE-2026-66689?
To fix CVE-2026-66689, update the AcyChecker plugin to version 2.0.0 or higher.
3
What type of vulnerability is CVE-2026-66689?
CVE-2026-66689 is classified as a Broken Access Control vulnerability.
4
Who is affected by CVE-2026-66689?
Users of the AcyChecker plugin for WordPress versions prior to 2.0.0 are affected by CVE-2026-66689.
5
What kind of impact can CVE-2026-66689 have?
CVE-2026-66689 can lead to unauthorized access to restricted functionalities in the AcyChecker plugin.