CVE-2015-2718: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

The WebChannel.jsm module in Mozilla Firefox before 38.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive webchannel-response data via a crafted web site containing an IFRAME element referencing a different web site that is intended to read this data.

Affected products

• Mozilla Firefox: up to and including 37.0.2
• Opensuse Opensuse: version 13.1 only; version 13.2 only

Published 2015-05-14. Last modified 2026-06-17.