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Fencer Vulns
medium 4.3

CVE-2009-1308 json

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.0.9, Thunderbird, and SeaMonkey allows remote attackers to inject arbi…

published 2009-04-22 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1306

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.0.9, Thunderbird, and SeaMonkey allows remote attackers to inject arbitrary web script or HTML via vectors involving XBL JavaScript bindings and remote stylesheets, as exploited in the wild by a March 2009 eBay listing.

Patch / fix

  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 2.0.0.22-2.el5_3
  • firefox RHEL 4 3.0.9-1.el4
  • firefox RHEL 5 3.0.9-1.el5
  • xulrunner RHEL 5 1.9.0.9-1.el5
  • xulrunner-devel-unstable RHEL 5 1.9.0.9-1.el5

red hat advisories RHSA-2009:1126RHSA-2009:0436

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1

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-2009-1308 updated cvss 4.3

Firefox XSS hazard using third-party stylesheets and XBL bindings

  • Red Hat Enterprise Linux (v. 5 server) firefox 3.0.9-1.el5, xulrunner 1.9.0.9-1.el5, xulrunner-devel-unstable 1.9.0.9-1.el5 Red Hat Enterprise Linux AS version 4 firefox 3.0.9-1.el4 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.0.9-1.el5, xulrunner 1.9.0.9-1.el5, thunderbird 2.0.0.22-2.el5_3, xulrunner-devel-unstable 1.9.0.9-1.el5 Red Hat Enterprise Linux Desktop version 4 firefox 3.0.9-1.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xulrunner 1.9.0.9-1.el5, xulrunner-devel-unstable 1.9.0.9-1.el5 Red Hat Enterprise Linux ES version 4 firefox 3.0.9-1.el4
    fixed: vendor fix RHSA-2009:0436
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 2.0.0.22-2.el5_3
    fixed: vendor fix RHSA-2009:1126
  • Red Hat Enterprise Linux WS version 4 firefox 3.0.9-1.el4
    fixed: vendor fix RHSA-2009:0436

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

2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=481558 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.