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Fencer Vulns
medium 5.0

CVE-2005-1158 json

Multiple "missing security checks" in Firefox before 1.0.3 allow remote attackers to inject arbitrary Javascript into privileged pages usin…

published 2005-04-18 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-1161

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Multiple "missing security checks" in Firefox before 1.0.3 allow remote attackers to inject arbitrary Javascript into privileged pages using the _search target of the Firefox sidebar.

Patch / fix

  • firefox RHEL 4 1.0.3-1.4.1

red hat advisories RHSA-2005:383

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-2005-1158 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 firefox 1.0.3-1.4.1 Red Hat Enterprise Linux Desktop version 4 firefox 1.0.3-1.4.1 Red Hat Enterprise Linux ES version 4 firefox 1.0.3-1.4.1 Red Hat Enterprise Linux WS version 4 firefox 1.0.3-1.4.1
    fixed: vendor fix RHSA-2005:383

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

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

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.