VIR Vulnerability Intelligence Relay

CVE-2012-4210

critical
Published 2012-11-21 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.3

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
mozilla mozillafirefox{"endIncluding":"16.0.2"}
mozilla mozillafirefox0.1
mozilla mozillafirefox0.2
mozilla mozillafirefox0.3
mozilla mozillafirefox0.4
mozilla mozillafirefox0.5
mozilla mozillafirefox0.6
mozilla mozillafirefox0.6.1
mozilla mozillafirefox0.7
mozilla mozillafirefox0.7.1
mozilla mozillafirefox0.8
mozilla mozillafirefox0.9
mozilla mozillafirefox0.9.1
mozilla mozillafirefox0.9.2
mozilla mozillafirefox0.9.3
mozilla mozillafirefox0.10
mozilla mozillafirefox0.10.1
mozilla mozillafirefox1.0
mozilla mozillafirefox1.0.1
mozilla mozillafirefox1.0.2
mozilla mozillafirefox1.0.3
mozilla mozillafirefox1.0.4
mozilla mozillafirefox1.0.5
mozilla mozillafirefox1.0.6
mozilla mozillafirefox1.0.7
mozilla mozillafirefox1.0.8
mozilla mozillafirefox1.4.1
mozilla mozillafirefox1.5
mozilla mozillafirefox1.5.0.1
mozilla mozillafirefox1.5.0.2
mozilla mozillafirefox1.5.0.3
mozilla mozillafirefox1.5.0.4
mozilla mozillafirefox1.5.0.5
mozilla mozillafirefox1.5.0.6
mozilla mozillafirefox1.5.0.7
mozilla mozillafirefox1.5.0.8
mozilla mozillafirefox1.5.0.9
mozilla mozillafirefox1.5.0.10
mozilla mozillafirefox1.5.0.11
mozilla mozillafirefox1.5.0.12
mozilla mozillafirefox1.5.1
mozilla mozillafirefox1.5.2
mozilla mozillafirefox1.5.3
mozilla mozillafirefox1.5.4
mozilla mozillafirefox1.5.5
mozilla mozillafirefox1.5.6
mozilla mozillafirefox1.5.7
mozilla mozillafirefox1.5.8
mozilla mozillafirefox1.8
mozilla mozillafirefox2.0
mozilla mozillafirefox2.0.0.1
mozilla mozillafirefox2.0.0.2
mozilla mozillafirefox2.0.0.3
mozilla mozillafirefox2.0.0.4
mozilla mozillafirefox2.0.0.5
mozilla mozillafirefox2.0.0.6
mozilla mozillafirefox2.0.0.7
mozilla mozillafirefox2.0.0.8
mozilla mozillafirefox2.0.0.9
mozilla mozillafirefox2.0.0.10
mozilla mozillafirefox2.0.0.11
mozilla mozillafirefox2.0.0.12
mozilla mozillafirefox2.0.0.13
mozilla mozillafirefox2.0.0.14
mozilla mozillafirefox2.0.0.15
mozilla mozillafirefox2.0.0.16
mozilla mozillafirefox2.0.0.17
mozilla mozillafirefox2.0.0.18
mozilla mozillafirefox2.0.0.19
mozilla mozillafirefox2.0.0.20
mozilla mozillafirefox3.0
mozilla mozillafirefox3.0.1
mozilla mozillafirefox3.0.2
mozilla mozillafirefox3.0.3
mozilla mozillafirefox3.0.4
mozilla mozillafirefox3.0.5
mozilla mozillafirefox3.0.6
mozilla mozillafirefox3.0.7
mozilla mozillafirefox3.0.8
mozilla mozillafirefox3.0.9
mozilla mozillafirefox3.0.10
mozilla mozillafirefox3.0.11
mozilla mozillafirefox3.0.12
mozilla mozillafirefox3.0.13
mozilla mozillafirefox3.0.14
mozilla mozillafirefox3.0.15
mozilla mozillafirefox3.0.16
mozilla mozillafirefox3.0.17
mozilla mozillafirefox3.5
mozilla mozillafirefox3.5.1
mozilla mozillafirefox3.5.2
mozilla mozillafirefox3.5.3
mozilla mozillafirefox3.5.4
mozilla mozillafirefox3.5.5
mozilla mozillafirefox3.5.6
mozilla mozillafirefox3.5.7
mozilla mozillafirefox3.5.8
mozilla mozillafirefox3.5.9
mozilla mozillafirefox3.5.10
mozilla mozillafirefox3.5.11
mozilla mozillafirefox3.5.12
mozilla mozillafirefox3.5.13
mozilla mozillafirefox3.5.14
mozilla mozillafirefox3.5.15
mozilla mozillafirefox3.6
mozilla mozillafirefox3.6.2
mozilla mozillafirefox3.6.3
mozilla mozillafirefox3.6.4
mozilla mozillafirefox3.6.6
mozilla mozillafirefox3.6.7
mozilla mozillafirefox3.6.8
mozilla mozillafirefox3.6.9
mozilla mozillafirefox3.6.10
mozilla mozillafirefox3.6.11
mozilla mozillafirefox3.6.12
mozilla mozillafirefox3.6.13
mozilla mozillafirefox3.6.14
mozilla mozillafirefox3.6.15
mozilla mozillafirefox3.6.16
mozilla mozillafirefox3.6.17
mozilla mozillafirefox3.6.18
mozilla mozillafirefox3.6.19
mozilla mozillafirefox3.6.20
mozilla mozillafirefox3.6.21
mozilla mozillafirefox3.6.22
mozilla mozillafirefox3.6.23
mozilla mozillafirefox3.6.24
mozilla mozillafirefox3.6.25
mozilla mozillafirefox4.0
mozilla mozillafirefox4.0.1
mozilla mozillafirefox5.0
mozilla mozillafirefox5.0.1
mozilla mozillafirefox6.0
mozilla mozillafirefox6.0.1
mozilla mozillafirefox6.0.2
mozilla mozillafirefox7.0
mozilla mozillafirefox7.0.1
mozilla mozillafirefox8.0
mozilla mozillafirefox8.0.1
mozilla mozillafirefox9.0
mozilla mozillafirefox9.0.1
mozilla mozillafirefox10.0
mozilla mozillafirefox10.0.1
mozilla mozillafirefox10.0.2
mozilla mozillafirefox11.0
mozilla mozillafirefox12.0
mozilla mozillafirefox13.0
mozilla mozillafirefox13.0.1
mozilla mozillafirefox14.0
mozilla mozillafirefox14.0.1
mozilla mozillafirefox15.0
mozilla mozillafirefox15.0.1
mozilla mozillafirefox16.0
mozilla mozillafirefox16.0.1
mozilla mozillafirefox10.0.3
mozilla mozillafirefox10.0.4
mozilla mozillafirefox10.0.5
mozilla mozillafirefox10.0.6
mozilla mozillafirefox10.0.7
mozilla mozillafirefox10.0.8
mozilla mozillafirefox10.0.9
mozilla mozillafirefox10.0.10

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.