VulnerabilityModified
CVE-2015-4518
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…
MEDIUM 4.3EPSS 2.28%
Does this matter?
Lower severity and a low EPSS score (2.28%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 2.28% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mozilla/firefox
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-118.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1034069
- http://www.ubuntu.com/usn/USN-2785-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1136692
- https://bugzilla.mozilla.org/show_bug.cgi?id=1182778
- https://security.gentoo.org/glsa/201512-10
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-118.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1034069
- http://www.ubuntu.com/usn/USN-2785-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1136692
- https://bugzilla.mozilla.org/show_bug.cgi?id=1182778
- https://security.gentoo.org/glsa/201512-10
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.