4.3

CVE-2012-0477: mozilla firefox

Modified
Published 25-04-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-0477 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.01%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 3
DSA-2457-1DSA-2458-1DSA-2464-1OPENSUSE-SU-2024:10071-1OPENSUSE-SU-2024:10230-1OPENSUSE-SU-2024:14572-1

Timeline

  1. 25-04-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 allow remote attackers to inject arbitrary web script or HTML via the (1) ISO-2022-KR or (2) ISO-2022-CN character set.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.01%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

Decrease -0.02 pp

From 2.03% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Mozilla4 products
  • firefox4.0 | 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 | 10.0.3
  • seamonkey≤ 2.9 | 1.0 | 1.0:alpha | 1.0:beta | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.1 | 1.1:alpha | 1.1:beta | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.1.6 | 1.1.7 | 1.1.8 | 1.1.9 | 1.1.10 | 1.1.11 | 1.1.12 | 1.1.13 | 1.1.14 | 1.1.15 | 1.1.16 | 1.1.17 | 1.1.18 | 1.1.19 | 1.5.0.8 | 1.5.0.9 | 1.5.0.10 | 2.0 | 2.0:alpha_1 | 2.0:alpha_2 | 2.0:alpha_3 | 2.0:beta_1 | 2.0:beta_2 | 2.0:rc1 | 2.0:rc2 | 2.0.1 | 2.0.2 | 2.0.3 | 2.0.4 | 2.0.5 | 2.0.6 | 2.0.7 | 2.0.8 | 2.0.9 | 2.0.10 | 2.0.11 | 2.0.12 | 2.0.13 | 2.0.14 | 2.1 | 2.1:alpha1 | 2.1:alpha2 | 2.1:alpha3 | 2.1:beta1 | 2.1:beta2 | 2.1:beta3 | 2.1:rc1 | 2.1:rc2 | 2.2 | 2.2:beta1 | 2.2:beta2 | 2.2:beta3 | 2.3 | 2.3:beta1 | 2.3:beta2 | 2.3:beta3 | 2.3.1 | 2.3.2 | 2.3.3 | 2.4 | 2.4:beta1 | 2.4:beta2 | 2.4:beta3 | 2.4.1 | 2.5 | 2.5:beta1 | 2.5:beta2 | 2.5:beta3 | 2.5:beta4 | 2.6 | 2.6:beta1 | 2.6:beta2 | 2.6:beta3 | 2.6:beta4 | 2.6.1 | 2.7 | 2.7:beta1 | 2.7:beta2 | 2.7:beta3 | 2.7:beta4 | 2.7:beta5 | 2.7.1 | 2.7.2 | 2.8 | 2.8:beta1 | 2.8:beta2 | 2.8:beta3 | 2.8:beta4 | 2.8:beta5 | 2.8:beta6 | 2.9:beta1 | 2.9:beta2
  • thunderbird5.0 | 6.0 | 6.0.1 | 6.0.2 | 7.0 | 7.0.1 | 8.0 | 9.0 | 9.0.1 | 10.0 | 10.0.1 | 10.0.2 | 10.0.3 | 10.0.4 | 11.0
  • thunderbird_esr10.0 | 10.0.1 | 10.0.2 | 10.0.3

1 vendor · 4 products

References

15 links
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