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CVE-2012-4203

UnknownEPSS 3.26%

Last modified

CVE-2012-4203 is a vulnerability of currently unknown severity. The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.. EPSS estimates a 3.26% chance of exploitation in the next 30 days.

Description

The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.

Metrics

EPSS Probability
3.26%

86.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox<= 16.0.2
MozillaFirefox0.1
MozillaFirefox0.2
MozillaFirefox0.3
MozillaFirefox0.4
MozillaFirefox0.5
MozillaFirefox0.6
MozillaFirefox0.6.1
MozillaFirefox0.7
MozillaFirefox0.7.1
MozillaFirefox0.8
MozillaFirefox0.9
MozillaFirefox0.9.1
MozillaFirefox0.9.2
MozillaFirefox0.9.3
MozillaFirefox0.10
MozillaFirefox0.10.1
MozillaFirefox1.0
MozillaFirefox1.0.1
MozillaFirefox1.0.2
MozillaFirefox1.0.3
MozillaFirefox1.0.4
MozillaFirefox1.0.5
MozillaFirefox1.0.6
MozillaFirefox1.0.7
MozillaFirefox1.0.8
MozillaFirefox1.4.1
MozillaFirefox1.5
MozillaFirefox1.5.0.1
MozillaFirefox1.5.0.2
MozillaFirefox1.5.0.3
MozillaFirefox1.5.0.4
MozillaFirefox1.5.0.5
MozillaFirefox1.5.0.6
MozillaFirefox1.5.0.7
MozillaFirefox1.5.0.8
MozillaFirefox1.5.0.9
MozillaFirefox1.5.0.10
MozillaFirefox1.5.0.11
MozillaFirefox1.5.0.12
MozillaFirefox1.5.1
MozillaFirefox1.5.2
MozillaFirefox1.5.3
MozillaFirefox1.5.4
MozillaFirefox1.5.5
MozillaFirefox1.5.6
MozillaFirefox1.5.7
MozillaFirefox1.5.8
MozillaFirefox1.8
MozillaFirefox2.0

Showing 50 of 154 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4203?
The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.
How severe is CVE-2012-4203?
Severity scoring for CVE-2012-4203 is pending analysis. The EPSS model estimates a 3.26% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4203?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST