4.3

CVE-2007-2870: mozilla firefox

Modified
Published 01-06-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-2870 is a medium (CVSS 4.3) vulnerability in mozilla firefox. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.5% 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
1.65%
0%100%
Low · 0.00 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
DSA-1300-1DSA-1306-1DSA-1308-1DTSA-45-1DTSA-47-1DTSA-51-1

Timeline

  1. 01-06-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Mozilla Firefox 1.5.x before 1.5.0.12 and 2.x before 2.0.0.4, and SeaMonkey 1.0.9 and 1.1.2, allows remote attackers to bypass the same-origin policy and conduct cross-site scripting (XSS) and other attacks by using the addEventListener method to add an event listener for a site, which is executed in the context of that site.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.65%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.65% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Mozilla2 products
  • firefox1.5 | 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 | 2.0 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3
  • seamonkey1.0.9 | 1.1.2

1 vendor · 2 products

References

36 links
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