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Fencer Vulns
high 7.5

CVE-2008-5504 json

Mozilla Firefox 2.x before 2.0.0.19 allows remote attackers to run arbitrary JavaScript with chrome privileges via vectors related to the f…

published 2008-12-17 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5481

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Mozilla Firefox 2.x before 2.0.0.19 allows remote attackers to run arbitrary JavaScript with chrome privileges via vectors related to the feed preview, a different vulnerability than CVE-2008-3836.

Patch / fix

  • seamonkey RHEL 2.1 1.0.9-0.25.el2
  • seamonkey RHEL 3 1.0.9-0.29.el3
  • seamonkey RHEL 4 1.0.9-32.el4
  • seamonkey-nss RHEL 2.1 1.0.9-0.25.el2
  • seamonkey-nss RHEL 3 1.0.9-0.29.el3
  • seamonkey-chat RHEL 2.1 1.0.9-0.25.el2
  • seamonkey-chat RHEL 3 1.0.9-0.29.el3
  • seamonkey-chat RHEL 4 1.0.9-32.el4

red hat advisories RHSA-2008:1037

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-2008-5504 updated

Firefox 2 XSS attack vectors in feed preview

  • Red Hat Desktop version 3 seamonkey 1.0.9-0.29.el3, seamonkey-nss 1.0.9-0.29.el3, seamonkey-chat 1.0.9-0.29.el3, seamonkey-mail 1.0.9-0.29.el3, seamonkey-nspr 1.0.9-0.29.el3, seamonkey-js-debugger 1.0.9-0.29.el3, +1 more Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.9-0.25.el2, seamonkey-nss 1.0.9-0.25.el2, seamonkey-chat 1.0.9-0.25.el2, seamonkey-mail 1.0.9-0.25.el2, seamonkey-nspr 1.0.9-0.25.el2, seamonkey-js-debugger 1.0.9-0.25.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.9-0.29.el3, seamonkey-nss 1.0.9-0.29.el3, seamonkey-chat 1.0.9-0.29.el3, seamonkey-mail 1.0.9-0.29.el3, seamonkey-nspr 1.0.9-0.29.el3, seamonkey-js-debugger 1.0.9-0.29.el3, +1 more Red Hat Enterprise Linux AS version 4 seamonkey 1.0.9-32.el4, seamonkey-chat 1.0.9-32.el4, seamonkey-mail 1.0.9-32.el4, seamonkey-js-debugger 1.0.9-32.el4, seamonkey-dom-inspector 1.0.9-32.el4 Red Hat Enterprise Linux Desktop version 4 seamonkey 1.0.9-32.el4, seamonkey-chat 1.0.9-32.el4, seamonkey-mail 1.0.9-32.el4, seamonkey-js-debugger 1.0.9-32.el4, seamonkey-dom-inspector 1.0.9-32.el4 Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.9-0.25.el2, seamonkey-nss 1.0.9-0.25.el2, seamonkey-chat 1.0.9-0.25.el2, seamonkey-mail 1.0.9-0.25.el2, seamonkey-nspr 1.0.9-0.25.el2, seamonkey-js-debugger 1.0.9-0.25.el2, +1 more
    +6 more products
    Red Hat Enterprise Linux ES version 3 seamonkey 1.0.9-0.29.el3, seamonkey-nss 1.0.9-0.29.el3, seamonkey-chat 1.0.9-0.29.el3, seamonkey-mail 1.0.9-0.29.el3, seamonkey-nspr 1.0.9-0.29.el3, seamonkey-js-debugger 1.0.9-0.29.el3, +1 more Red Hat Enterprise Linux ES version 4 seamonkey 1.0.9-32.el4, seamonkey-chat 1.0.9-32.el4, seamonkey-mail 1.0.9-32.el4, seamonkey-js-debugger 1.0.9-32.el4, seamonkey-dom-inspector 1.0.9-32.el4 Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.9-0.25.el2, seamonkey-nss 1.0.9-0.25.el2, seamonkey-chat 1.0.9-0.25.el2, seamonkey-mail 1.0.9-0.25.el2, seamonkey-nspr 1.0.9-0.25.el2, seamonkey-js-debugger 1.0.9-0.25.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.9-0.29.el3, seamonkey-nss 1.0.9-0.29.el3, seamonkey-chat 1.0.9-0.29.el3, seamonkey-mail 1.0.9-0.29.el3, seamonkey-nspr 1.0.9-0.29.el3, seamonkey-js-debugger 1.0.9-0.29.el3, +1 more Red Hat Enterprise Linux WS version 4 seamonkey 1.0.9-32.el4, seamonkey-chat 1.0.9-32.el4, seamonkey-mail 1.0.9-32.el4, seamonkey-js-debugger 1.0.9-32.el4, seamonkey-dom-inspector 1.0.9-32.el4 Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.9-0.25.el2, seamonkey-nss 1.0.9-0.25.el2, seamonkey-chat 1.0.9-0.25.el2, seamonkey-mail 1.0.9-0.25.el2, seamonkey-nspr 1.0.9-0.25.el2, seamonkey-js-debugger 1.0.9-0.25.el2, +1 more
    fixed: vendor fix RHSA-2008:1037

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

2.55% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.