CVE-2004-0520: Open Webmail

Medium severity, CVSS 6.8. EPSS: 7.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in mime.php for SquirrelMail before 1.4.3 allows remote attackers to insert arbitrary HTML and script via the content-type mail header, as demonstrated using read_body.php.

Affected products

• Open Webmail Open Webmail: version 2.30 only; version 2.31 only; version 2.32 only
• Sgi Propack: version 3.0 only
• Squirrelmail Squirrelmail: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2004-08-18. Last modified 2026-06-16.