9.3

CVE-2012-4210: mozilla firefox

CVSS: 9.3v2.0HighModified
Published 21-11-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-4210 is a high (CVSS 9.3) vulnerability in mozilla firefox. EPSS estimates a 3.53% chance of exploitation in the next 30 days, higher than 89% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
3.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2

Timeline

  1. 21-11-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.53%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.53% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mozilla1 product
  • firefox≤ 16.0.2 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6.1 | 0.7 | 0.7.1 | 0.8 | 0.9 | 0.9:rc | 0.9.1 | 0.9.2 | 0.9.3 | 0.10 | 0.10.1 | 1.0 | 1.0:preview_release | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.4.1 | 1.5 | 1.5:beta1 | 1.5:beta2 | 1.5.0.1 | 1.5.0.2 | 1.5.0.3 | 1.5.0.4 | 1.5.0.5 | 1.5.0.6 | 1.5.0.7 | 1.5.0.8 | 1.5.0.9 | 1.5.0.10 | 1.5.0.11 | 1.5.0.12 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.8 | 2.0 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3 | 2.0.0.4 | 2.0.0.5 | 2.0.0.6 | 2.0.0.7 | 2.0.0.8 | 2.0.0.9 | 2.0.0.10 | 2.0.0.11 | 2.0.0.12 | 2.0.0.13 | 2.0.0.14 | 2.0.0.15 | 2.0.0.16 | 2.0.0.17 | 2.0.0.18 | 2.0.0.19 | 2.0.0.20 | 3.0 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.16 | 3.0.17 | 3.5 | 3.5.1 | 3.5.2 | 3.5.3 | 3.5.4 | 3.5.5 | 3.5.6 | 3.5.7 | 3.5.8 | 3.5.9 | 3.5.10 | 3.5.11 | 3.5.12 | 3.5.13 | 3.5.14 | 3.5.15 | 3.6 | 3.6.2 | 3.6.3 | 3.6.4 | 3.6.6 | 3.6.7 | 3.6.8 | 3.6.9 | 3.6.10 | 3.6.11 | 3.6.12 | 3.6.13 | 3.6.14 | 3.6.15 | 3.6.16 | 3.6.17 | 3.6.18 | 3.6.19 | 3.6.20 | 3.6.21 | 3.6.22 | 3.6.23 | 3.6.24 | 3.6.25 | 4.0 | 4.0:beta1 | 4.0:beta10 | 4.0:beta11 | 4.0:beta12 | 4.0:beta2 | 4.0:beta3 | 4.0:beta4 | 4.0:beta5 | 4.0:beta6 | 4.0:beta7 | 4.0:beta8 | 4.0:beta9 | 4.0.1 | 5.0 | 5.0.1 | 6.0 | 6.0.1 | 6.0.2 | 7.0 | 7.0.1 | 8.0 | 8.0.1 | 9.0 | 9.0.1 | 10.0 | 10.0.1 | 10.0.2 | 11.0 | 12.0 | 12.0:beta6 | 13.0 | 13.0.1 | 14.0 | 14.0.1 | 15.0 | 16.0 | 16.0.1 | 10.0.3 | 10.0.4 | 10.0.5 | 10.0.6 | 10.0.7 | 10.0.8 | 10.0.9 | 10.0.10

1 vendor · 1 product

References

19 links
Show all 19 references