What’s Vulnerable › Vulnerabilities
CVE-2026-66703: WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-06 · updated 2026-10-24
- Weakness: CWE-79
Description
Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions.
Affected products
- properfraction MailOptin: through 1.2.78.0
References
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