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Fencer Vulns
low 2.6

CVE-2005-0402 json

Firefox before 1.0.2 allows remote attackers to execute arbitrary code by tricking a user into saving a page as a Firefox sidebar panel, th…

published 2005-03-24 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0403

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Firefox before 1.0.2 allows remote attackers to execute arbitrary code by tricking a user into saving a page as a Firefox sidebar panel, then using the sidebar panel to inject Javascript into a privileged page.

Patch / fix

  • firefox RHEL 4 1.0.2-1.4.1

red hat advisories RHSA-2005:336

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-2005-0402 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 firefox 1.0.2-1.4.1 Red Hat Enterprise Linux Desktop version 4 firefox 1.0.2-1.4.1 Red Hat Enterprise Linux ES version 4 firefox 1.0.2-1.4.1 Red Hat Enterprise Linux WS version 4 firefox 1.0.2-1.4.1
    fixed: vendor fix RHSA-2005:336

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

2.52% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/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.