CVE-2003-0066: Rxvt

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

The rxvt terminal emulator 2.7.8 and earlier allows attackers to modify the window title via a certain character escape sequence and then insert it back to the command line in the user's terminal, e.g. when the user views a file containing the malicious sequence, which could allow the attacker to execute arbitrary commands.

Affected products

• Rxvt Rxvt: version 2.6.1 only; version 2.6.2 only; version 2.6.3 only; version 2.6.4 only; version 2.7.5 only; version 2.7.6 only; …

Published 2003-03-03. Last modified 2026-06-16.