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Product · Proper Fraction

MailOptin

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 6.5
    CVE-2026-66703

    WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability

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

    Proper Fraction MailOptin
  • Medium 5.9
    CVE-2025-58596

    WordPress MailOptin Plugin <= 1.2.75.0 - Cross Site Scripting (XSS) Vulnerability

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in properfraction MailOptin mailoptin allows Stored XSS.This issue affects MailOptin: from n/a through <= 1.2.75.0.

    Proper Fraction MailOptin