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CVE-2012-4210

UnknownEPSS 3.53%

Last modified

CVE-2012-4210 is a vulnerability of currently unknown severity. The Style Inspector in Mozilla Firefox before 17.0 and Firefox ESR 10.x before 10.0.11 does not properly restrict the context of HTML markup and Cascading Style Sheets (CSS) token sequences, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted stylesheet.. EPSS estimates a 3.53% chance of exploitation in the next 30 days.

Description

The Style Inspector in Mozilla Firefox before 17.0 and Firefox ESR 10.x before 10.0.11 does not properly restrict the context of HTML markup and Cascading Style Sheets (CSS) token sequences, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted stylesheet.

Metrics

EPSS Probability
3.53%

87.7th 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 162 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-4210?
The Style Inspector in Mozilla Firefox before 17.0 and Firefox ESR 10.x before 10.0.11 does not properly restrict the context of HTML markup and Cascading Style Sheets (CSS) token sequences, which allows user-assisted remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted stylesheet.
How severe is CVE-2012-4210?
Severity scoring for CVE-2012-4210 is pending analysis. The EPSS model estimates a 3.53% probability of exploitation in the next 30 days.
How do I fix CVE-2012-4210?
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.

Are you affected by CVE-2012-4210?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST