CVE-2012-1957: mozilla firefox Cross-site Scripting
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.
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 18-07-2012PublishedVulnerability first disclosed.
- 06-08-2024Last 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 versionEPSS 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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16844VDB EntrySignatureX Refsource OVAL
Show all 24 references
- bugzilla.mozilla.org/show_bug.cgi?id=750096X Refsource CONFIRM