Cross-Site Scripting Vulnerability in MailOptin by Properfraction

CVE-2025-58596

What is CVE-2025-58596?

An input validation issue has been identified in MailOptin, developed by Properfraction, allowing for stored Cross-site Scripting (XSS) attacks. This vulnerability enables malicious users to inject and execute harmful scripts in the context of the user's session, which can lead to unauthorized data access or compromise of user information. The affected versions of MailOptin pose a significant risk, making it critical for users to update to secure versions to mitigate potential threats.

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