CVE-2015-2718

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-05-14 · updated 2026-06-17
Weakness: CWE-200

Description

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: through 37.0.2
Opensuse: 13.1, 13.2

References

http://lists.opensuse.org/opensuse-updates/2015-05/msg00036.html
http://www.mozilla.org/security/announce/2015/mfsa2015-56.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/74611
http://www.ubuntu.com/usn/USN-2602-1
https://bugzilla.mozilla.org/show_bug.cgi?id=1146724
https://security.gentoo.org/glsa/201605-06
http://lists.opensuse.org/opensuse-updates/2015-05/msg00036.html
http://www.mozilla.org/security/announce/2015/mfsa2015-56.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/74611
http://www.ubuntu.com/usn/USN-2602-1

Get alerted when CVE-2015-2718 or the next vulnerability affects your stack