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Fencer Vulns
low 2.6

CVE-2005-0231 json

Firefox 1.0 does not invoke the Javascript Security Manager when a user drags a javascript: or data: URL to a tab, which allows remote atta…

published 2005-02-07 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0232

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Firefox 1.0 does not invoke the Javascript Security Manager when a user drags a javascript: or data: URL to a tab, which allows remote attackers to bypass the security model, aka "firetabbing."

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-2005-0231 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

2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • novell.com http://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.html referenced PoC, tagged "exploit" by a source, unverified
  • gentoo.org http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml referenced PoC, tagged "exploit" by a source, unverified
  • gentoo.org http://www.gentoo.org/security/en/glsa/glsa-200503-10.xml referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=280056 referenced PoC, tagged "exploit" by a source, unverified
  • mozilla.org http://www.mozilla.org/security/announce/mfsa2005-26.html referenced PoC, tagged "exploit" by a source, unverified
  • mikx.de http://www.mikx.de/firetabbing/ referenced PoC, tagged "exploit" by a source, unverified

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.