Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-4194

20
FAUCET Score

CVE-2012-4194 describes a cross-site scripting (XSS) vulnerability affecting Mozilla Firefox, Thunderbird, and SeaMonkey versions prior to their respective patches. This flaw allowed remote attackers to conduct XSS attacks by leveraging the valueOf method to shadow the window.location object, particularly in conjunction with plugins. With a CVSS score of 4.3, this vulnerability is of medium complexity and could lead to information disclosure (partial impact) without requiring authentication. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 16.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 10.0, < 10.0.10CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.13.2CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 16.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
>= 10.0, < 10.0.10CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.83%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0284 is in the 77th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (7)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:10.0.10-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:10.0.10-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:10.0.10-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:10.0.10-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:10.0.10-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:10.0.10-1.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-4194Critical

Mozilla: Fixes for Location object issues (MFSA 2012-90)

Oct 26, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-10/msg00019.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-10/msg00025.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2012-1407.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1413.html
Third Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
secunia.com / advisories/51121
Third Party Advisory
secunia.com / advisories/51123
Third Party Advisory
secunia.com / advisories/51127
Third Party Advisory
secunia.com / advisories/51144
Third Party Advisory
secunia.com / advisories/51146
Third Party Advisory
secunia.com / advisories/51147
Third Party Advisory
secunia.com / advisories/51165
Third Party Advisory
secunia.com / advisories/55318
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16918
Third Party Advisory
mozilla.org / security/announce/2012/mfsa2012-90.html
Vendor Advisory
securityfocus.com / bid/56301
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1620-1
Third Party Advisory
ubuntu.com / usn/USN-1620-2
Third Party Advisory