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Fencer Vulns
medium 5.0

CVE-2004-1380 json

Firefox before 1.0 and Mozilla before 1.7.5 allows inactive (background) tabs to launch dialog boxes, which can allow remote attackers to s…

published 2004-10-20 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1377

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

Firefox before 1.0 and Mozilla before 1.7.5 allows inactive (background) tabs to launch dialog boxes, which can allow remote attackers to spoof the dialog boxes from web sites in other windows and facilitate phishing attacks, aka the "Dialog Box Spoofing Vulnerability."

Patch / fix

  • devhelp RHEL 4 0.9.2-2.4.3
  • evolution RHEL 4 2.0.2-14

red hat advisories RHSA-2005:335

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-2004-1380 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 evolution 2.0.2-14, devhelp 0.9.2-2.4.3 Red Hat Enterprise Linux Desktop version 4 evolution 2.0.2-14, devhelp 0.9.2-2.4.3 Red Hat Enterprise Linux ES version 4 evolution 2.0.2-14, devhelp 0.9.2-2.4.3 Red Hat Enterprise Linux WS version 4 evolution 2.0.2-14, devhelp 0.9.2-2.4.3
    fixed: vendor fix RHSA-2005:335

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

Timeline

  1. Published
  2. First public exploit (EDB-589)

Exploit prediction

3.68% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-589 Multiple Browsers - Tabbed Browsing remote, 2004-10-22

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/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.