CVE-2009-1309
Mozilla Firefox before 3.0.9, Thunderbird, and SeaMonkey do not properly implement the Same Origin Policy for (1) XMLHttpRequest, involving a mismatch for a document's principal, and (2) XPCNativeWrapper.toString, involving an incorrect __proto__ scope, which allows remote attackers to conduct cross-site scripting (XSS) attacks and possibly other attacks via a crafted document.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-16
- EPSS score
- 1.4% (72th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1307)
- Published
- April 22, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1307 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
and 52 more…
References
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00000.html
- http://rhn.redhat.com/errata/RHSA-2009-0437.html
- http://secunia.com/advisories/34758
- http://secunia.com/advisories/34780
- http://secunia.com/advisories/34843
- http://secunia.com/advisories/34844
- http://secunia.com/advisories/34894
- http://secunia.com/advisories/35042
- http://secunia.com/advisories/35065
- http://secunia.com/advisories/35536
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
- http://www.debian.org/security/2009/dsa-1797
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:111
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:141
- http://www.mozilla.org/security/announce/2009/mfsa2009-19.html(Vendor Advisory)
- http://www.redhat.com/support/errata/RHSA-2009-0436.html
- http://www.redhat.com/support/errata/RHSA-2009-1125.html
- http://www.redhat.com/support/errata/RHSA-2009-1126.html
- http://www.securityfocus.com/bid/34656
- http://www.securitytracker.com/id?1022094
- http://www.ubuntu.com/usn/usn-782-1
- http://www.vupen.com/english/advisories/2009/1125
- https://bugzilla.mozilla.org/show_bug.cgi?id=478433
- https://bugzilla.mozilla.org/show_bug.cgi?id=482206
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5265
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5591
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6139
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6831
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9494
- https://usn.ubuntu.com/764-1/
- https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00683.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain