RoundCube Webmail Cross-Site Scripting Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 09/06/2025. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| webmail | ≥ 1.6.0, < 1.6.8< 1.5.8 | 1.6.81.5.8 |
A Cross-Site Scripting vulnerability in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a remote attacker to steal and send emails of a victim via a crafted e-mail message that abuses a Desanitization issue in message_body() in program/actions/mail/show.php.
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