Description
The XrayWrapper implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly interact with a DOM object that has a named getter, which might allow remote attackers to execute arbitrary JavaScript code with chrome privileges via unspecified vectors.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | firefox | 35.0+build3-0ubuntu0.14.04.2 | USN-2458-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | MozillaFirefox | 50.1.0-1.1 | openSUSE-SU-2024:10071-1 |
| openSUSE Tumbleweed | firefox-esr | 128.5.1-1.1 | openSUSE-SU-2024:14572-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Metasploit 1 module
-
Firefox Proxy Prototype Privileged Javascript Injection
exploit/multi/browser/firefox_proxy_prototype
Exploit-DB 1
- Mozilla Firefox - Proxy Prototype Privileged JavaScript Injection (Metasploit) EDB-36480 · remote · Mar 24, 2015 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- USN-2458-1 firefox vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- openSUSE-SU-2024:14572-1 firefox-esr-128.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10071-1 MozillaFirefox-50.1.0-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- https://community.rapid7.com/community/metasploit/blog/2015/03/23/r7-2015-04-disclosure-mozilla-firefox-proxy-prototype-rce-cve-2014-8636
- 62242 third-party-advisory
- http://packetstormsecurity.com/files/130972/Firefox-Proxy-Prototype-Privileged-Javascript-Injection.html
- 72041 vdb-entry
- 1031533 vdb-entry
- openSUSE-SU-2015:0192 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=987794
- firefox-cve20148636-sec-bypass(99964) vdb-entry
- 62250 third-party-advisory
- SUSE-SU-2015:0173 vendor-advisory
- openSUSE-SU-2015:0077 vendor-advisory
- 62418 third-party-advisory
- SUSE-SU-2015:0171 vendor-advisory
- GLSA-201504-01 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- 62790 third-party-advisory
- http://www.mozilla.org/security/announce/2014/mfsa2015-09.html
- 62446 third-party-advisory
- SUSE-SU-2015:0180 vendor-advisory