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Fencer Intel
high 7.5

CVE-2014-8636 in the critical feed json

The XrayWrapper implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly interact with a DOM object that h…

published 2015-01-14 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8473

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
63.9%
EPSS 63.9% chance of exploitation in 30 days, percentile 99.2%
public exploits
2
Metasploit, Exploit-DB

Summary

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.

Patch / fix

  • firefox Ubuntu 14.04 LTS 35.0+build3-0ubuntu0.14.04.2

ubuntu advisories UBUNTU-CVE-2014-8636

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-8636 updated cvss 4.3

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

  • Red Hat Enterprise Linux 5 firefox, thunderbird Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/multi/browser/firefox_proxy_prototype)
  2. Published

Exploit prediction

63.94% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.