CVE-2009-3004: Avant Force Avant Browser

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Avant Browser 11.7 Builds 35 and 36 allows remote attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary URL on the web site visited by the victim, as demonstrated by a visit to an attacker-controlled web page, which triggers a spoofed login form for the site containing that page. NOTE: a related attack was reported in which an arbitrary file: URL is shown.

Affected products

• Avant Force Avant Browser: version 11.7 only

Published 2009-08-28. Last modified 2026-06-16.