Anti Spam and list cleaner – AcyChecker
Anti Spam and list cleaner – AcyChecker has 2 disclosed vulnerabilities in the WordSec catalog, all reported in 2026; all 2 are fixed as of September 2026. Their average CVSS score is 6.3, and the most serious one scores 7.2 out of 10. Severity breakdown: 0 critical and 1 high. 2026 was the busiest year with 2 disclosures.
The most common weakness is Cross-Site Scripting, behind 1 of the records (50%). Other recurring categories include Missing Authorization.
Every one of the 2 issues recorded for Anti Spam and list cleaner – AcyChecker has a vendor fix available, so running the current release closes all known holes.
2 independent researchers contributed these findings, one record each. Anti Spam and list cleaner – AcyChecker is installed on roughly 400 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.0.4.
CVE-2026-65448Anti Spam and list cleaner – AcyChecker <= 1.8.1 - Unauthenticated Stored Cross-Site Scripting
Read the full analysisVulnerability Records

Anti Spam and list cleaner – AcyChecker
Author
AcyMailing Newsletter Team
AcyChecker is a mailing list cleaning service (email checker) created by the AcyMailing (a WordPress newsletter plugin) team. This email checker allows you to improve the deliverability of your emails, to reduce your costs or to keep a good reputation by using its WordPress (or Joomla) plugin or its API. This email checker allows the verification of emails at different levels: Domain and SMTP check Role email checker Disposable email checker Free provider Email format checker In-depth tests Why should you clean up your mailing list with an email checker? 1 – Improve deliverability 2 – Have a good reputation 3 – Reduce your costs 4 – Improve your open rates 5 – Avoid bounces
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C