CVE-2015-7223
Mozilla: Privilege escalation vulnerabilities in WebExtension APIs (MFSA 2015-148)
Severity
CriticalRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 16, 2015
Updated · November 21, 2025
Description
The WebExtension APIs in Mozilla Firefox before 43.0 allow remote attackers to gain privileges, and possibly obtain sensitive information or conduct cross-site scripting (XSS) attacks, via a crafted web site.
Statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE not specified