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Fencer Vulns
medium 4.3

CVE-2004-1156 json

Mozilla before 1.7.6, and Firefox before 1.0.1, allows remote attackers to spoof arbitrary web sites by injecting content from one window i…

published 2004-12-10 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1154

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

Mozilla before 1.7.6, and Firefox before 1.0.1, allows remote attackers to spoof arbitrary web sites by injecting content from one window into a target window whose name is known but resides in a different domain, as demonstrated using a pop-up window on a trusted web site, aka the "window injection" vulnerability.

Patch / fix

  • firefox RHEL 4 1.0.1-1.4.3

red hat advisories RHSA-2005:176

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-1156 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 firefox 1.0.1-1.4.3 Red Hat Enterprise Linux Desktop version 4 firefox 1.0.1-1.4.3 Red Hat Enterprise Linux ES version 4 firefox 1.0.1-1.4.3 Red Hat Enterprise Linux WS version 4 firefox 1.0.1-1.4.3
    fixed: vendor fix RHSA-2005:176

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.