CVE-2015-4518

Description

The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and conduct cross-site scripting (XSS) attacks via vectors involving SVG animations and the about:reader URL.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.74% Top 30%
Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1034069 vdb entry
https://security.gentoo.org/glsa/201512-10 vendor advisory
http://www.mozilla.org/security/announce/2015/mfsa2015-118.html vendor advisory
http://www.ubuntu.com/usn/USN-2785-1 vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1136692
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1182778

Frequently Asked Questions

What is the severity of CVE-2015-4518?
CVE-2015-4518 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4518?
To fix CVE-2015-4518, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4518 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4518 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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