4.3

CVE-2012-1957: mozilla firefox Cross-site Scripting

CVSS: 4.3v2.0MediumModified
Published 18-07-2012Last modified 06-08-2024

Vulnerability summary

CVE-2012-1957 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.08%
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 5 · Related 3

Timeline

  1. 18-07-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

An unspecified parser-utility class in Mozilla Firefox 4.x through 13.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 13.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.11 does not properly handle EMBED elements within description elements in RSS feeds, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a feed.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.08% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.08%

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

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 | 11.0 | 12.0 | 12.0:beta6 | 13.0 | 10.0 | 10.0.1 | 10.0.2 | 10.0.3 | 10.0.4 | 10.0.5
  • seamonkey≤ 2.10 | 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
  • 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 | 12.0 | 13.0
  • thunderbird_esr10.0 | 10.0.1 | 10.0.2 | 10.0.3 | 10.0.4 | 10.0.5

1 vendor · 4 products

References

24 links
Show all 24 references