CVE-2002-0738: Mhonarc

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

MHonArc 2.5.2 and earlier does not properly filter Javascript from archived e-mail messages, which could allow remote attackers to execute script in web clients by (1) splitting the SCRIPT tag into smaller pieces, (2) including the script in a SRC argument to an IMG tag, or (3) using "&={script}" syntax.

Affected products

• Mhonarc Mhonarc: version 2.5 only; version 2.5.1 only; version 2.5.2 only

Published 2002-08-12. Last modified 2026-06-16.