CVE-2026-66703 Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions

Description

Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions.

Affected products and versions

Product	Affected versions	Fixed in
MailOptin 1.2	earliest → 1.2.78.0	No fix stated

Other CVEs of MailOptin

The 3 CVEs of MailOptin →

CVE-2026-57813 Incorrect Privilege Assignment vulnerability in properfraction MailOptin mailoptin allows Privilege Escalation.This… 9.8 Critical CVE-2025-58596 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in properfraction… 5.9 Medium