CVE-2015-0819

Mozilla: UI Tour whitelisted sites in background tab can spoof foreground tabs (MFA 2015-26)

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · February 24, 2015

Updated · January 14, 2026

Description

The UITour::onPageEvent function in Mozilla Firefox before 36.0 does not ensure that an API call originates from a foreground tab, which allows remote attackers to conduct spoofing and clickjacking attacks by leveraging access to a UI Tour 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 · 4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

CWE not specified