Mozilla Firefox before 3.0.11, Thunderbird, and SeaMonkey do not check content policy before loading a script file into a XUL document,…

Description

Mozilla Firefox before 3.0.11, Thunderbird, and SeaMonkey do not check content policy before loading a script file into a XUL document, which allows remote attackers to bypass intended access restrictions via a crafted HTML document, as demonstrated by a "web bug" in an e-mail message, or web script or an advertisement in a web page.

Scores

EPSS (exploitation in 30 days)

2.2% · top 17% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.

Weakness

• n/a
• CWE-264 (opens in a new tab)All about CWE-264 and its CVEs

Affected products

• n/a

  • affected n/a

References (22)

• ADV-2009-1572 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 35326 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• firefox-xul-security-bypass(51076) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://www.mozilla.org/security/announce/2009/mfsa2009-31.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=477979 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 55158 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 35440 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2009-6411 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 35431 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35331 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35468 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:9448 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 35439 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FEDORA-2009-6366 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• MDVSA-2009:141 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 35415 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1022379 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• RHSA-2009:1095 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SSA:2009-167-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• DSA-1820 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 264308 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=503582 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-1840](https://trackcve.app/badge/CVE-2009-1840.svg)](https://trackcve.app/cve/CVE-2009-1840)

Record last updated 7 Aug 2024, 05:27 UTC.