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CVE-2014-8636

72
FAUCET Score

CVE-2014-8636 describes a critical vulnerability in Mozilla Firefox and SeaMonkey versions prior to 35.0 and 2.32, respectively, stemming from improper interaction between XrayWrapper and DOM objects with named getters. This flaw allows remote attackers to execute arbitrary JavaScript code with chrome privileges. With a CVSS score of 7.5 (High) and an EPSS score indicating high exploitability, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. Exploit code, including a Metasploit module, is publicly available, and the vulnerability has garnered significant community discussion and media coverage, although it is not currently listed on the KEV catalog as actively exploited.

Impacted Technologies

VendorProductVersion(s)CPE
<= 34.0.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
<= 2.31CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
65.66%
Probability of exploitation in next 30 days
EPSS Percentile
99.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Firefox Proxy Prototype Privileged Javascript Injection · Jan 20, 2014
ExploitDB: EDB-36480 · Mar 24, 2015
This CVE's current EPSS score of 0.6566 is in the 99th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-8636Moderate

Mozilla: XrayWrapper bypass through DOM objects (MFSA 2015-09)

Jan 15, 2014

References

lists.opensuse.org / opensuse-security-announce/2015-01/msg00014.html
lists.opensuse.org / opensuse-security-announce/2015-01/msg00032.html
lists.opensuse.org / opensuse-security-announce/2015-01/msg00033.html
lists.opensuse.org / opensuse-security-announce/2015-01/msg00036.html
lists.opensuse.org / opensuse-security-announce/2015-02/msg00002.html
packetstormsecurity.com / files/130972/Firefox-Proxy-Prototype-Privileged-Javascript-Injection.html
bugzilla.mozilla.org / show_bug.cgi
community.rapid7.com / community/metasploit/blog/2015/03/23/r7-2015-04-disclosure-mozilla-firefox-proxy-prototype-rce-cve-2014-8636
secunia.com / advisories/62242
secunia.com / advisories/62250
secunia.com / advisories/62418
secunia.com / advisories/62446
secunia.com / advisories/62790
exchange.xforce.ibmcloud.com / vulnerabilities/99964
security.gentoo.org / glsa/201504-01
mozilla.org / security/announce/2014/mfsa2015-09.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/72041
securitytracker.com / id/1031533