CVE-2014-8636
HighExploitedPublic exploitMozilla: XrayWrapper bypass through DOM objects (MFSA 2015-09)
Published Jan 15, 2014 · Updated Apr 22, 2026 · Also known as UBUNTU-CVE-2014-8636
Key Facts
Patch immediately- CVE-2014-8636 is a high-severity vulnerability (CVSS 7.5 v2) affecting Firefox (Mozilla), Seamonkey (Mozilla), firefox-esr-branding-upstream (suse) and 13 more products.
- It is exploited in the wild, listed in Industry KEV feed since Jan 9, 2017. Public exploit code is available.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- Fixed versions are available, including Firefox 35.0+build3-0ubuntu0.14.04.2, Firefox 34.0.5, firefox-esr 128.5.1-1.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2014-8636 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jan 9, 2017 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
18 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FirefoxMozilla | See advisory | 34.0.5 |
| SeamonkeyMozilla | See advisory | 2.31 |
| firefox-esr-branding-upstreamsuse | See advisory | 128.5.1-1.1 |
| firefox-esrsuse | See advisory | 128.5.1-1.1 |
| firefox-esr-translations-commonsuse | See advisory | 128.5.1-1.1 |
Patched Releases
Firefox
35.0+build3-0ubuntu0.14.04.2, 34.0.5
firefox-esr
128.5.1-1.1
firefox-esr-branding-upstream
128.5.1-1.1
firefox-esr-translations-common
128.5.1-1.1
firefox-esr-translations-other
128.5.1-1.1
Seamonkey
2.31, 2.40-6.1
MozillaFirefox
50.1.0-1.1
MozillaFirefox-branding-upstream
50.1.0-1.1
MozillaFirefox-buildsymbols
50.1.0-1.1
MozillaFirefox-devel
50.1.0-1.1
MozillaFirefox-translations-common
50.1.0-1.1
MozillaFirefox-translations-other
50.1.0-1.1
seamonkey-dom-inspector
2.40-6.1
seamonkey-irc
2.40-6.1
seamonkey-translations-common
2.40-6.1
seamonkey-translations-other
2.40-6.1
Timeline
Publicly disclosed
Jan 15, 2014
Added to Industry KEV feed
Jan 9, 2017
Last updated
Apr 22, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-250 Execution with Unnecessary Privileges
References
- advisoryhttps://ubuntu.com/security/CVE-2014-8634
- advisoryhttps://ubuntu.com/security/CVE-2014-8635
- advisoryhttps://ubuntu.com/security/CVE-2014-8636
- advisoryhttps://ubuntu.com/security/CVE-2014-8637
- advisoryhttps://ubuntu.com/security/CVE-2014-8638
FAQ
Common Questions.
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.
Affected: Firefox (Mozilla); Seamonkey (Mozilla); firefox-esr-branding-upstream (suse), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jan 9, 2017.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Firefox 35.0+build3-0ubuntu0.14.04.2, Firefox 34.0.5, firefox-esr 128.5.1-1.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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