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Cross-site Scripting (XSS) Affecting firefox package, versions <0:45.3.0-1.el7_2

Severity

 Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.38% (73rd percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4662794
  • published26 Jul 2021
  • disclosed2 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 2 Aug 2016

CVE-2016-5262  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:45.3.0-1.el7_2 or higher.
This issue was patched in RHSA-2016:1551.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 process JavaScript event-handler attributes of a MARQUEE element within a sandboxed IFRAME element that lacks the sandbox="allow-scripts" attribute value, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.