Vulnerability · Published Aug 13, 2026 · Assigned by Patchstack
CVE-2026-66689WordPress Anti Spam and list cleaner – AcyChecker plugin <= 2.0.0 - Broken Access Control vulnerability
Medium 6.3
In plain English
A medium-severity missing authorization in Anti Spam and list cleaner – AcyChecker from AcyMailing Newsletter Team. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 82.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Broken Access Control in Anti Spam and list cleaner – AcyChecker <= 2.0.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AcyMailing Newsletter Team | Anti Spam and list cleaner – AcyChecker | n/a – through 2.0.0 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L