Advisories · Technology

properfraction MailOptin.

Every CVE that names properfraction MailOptin among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.

CVE-2026-66703 CVE record

CVSS 6.5 Medium

WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability
- properfraction MailOptin
- Cross-site scripting (XSS)
Not analysed yet 6 Aug 2026
CVE-2026-57813 CVE record

CVSS 9.8 CriticalCritical · CVSS 9+

WordPress MailOptin plugin <= 1.2.77.3 - Privilege Escalation vulnerability
- properfraction MailOptin
- Privilege escalation
Not analysed yet 13 Jul 2026
CVE-2025-58596 CVE record

CVSS 5.9 Medium

WordPress MailOptin Plugin <= 1.2.75.0 - Cross Site Scripting (XSS) Vulnerability
- properfraction MailOptin
- Cross-site scripting (XSS)
Not analysed yet 3 Sept 2025