Skip to content
CVE Tracker
Back

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…

High9.3EPSS 3.5%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2012-4210, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High9.3AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (exploitation in 30 days)
3.5% · top 11% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.

Weakness

Affected products

  • n/a

    • affected n/a

References (19)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .