CVE-2007-3844

Mozilla Firefox 2.0.0.5, Thunderbird <1.5.0.13, SeaMonkey 1.1.3 - XSS via Addon Chrome Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-3844. PoCs published by moz_bug_r_a4.

AI-analyzed exploit summary This exploit leverages a privilege escalation vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey, allowing JavaScript to execute with Chrome privileges via an 'about:blank' page. The PoC demonstrates arbitrary script execution with elevated privileges by manipulating the document body and focusing the window.

Description

Mozilla Firefox 2.0.0.5, Thunderbird 2.0.0.5 and before 1.5.0.13, and SeaMonkey 1.1.3 allows remote attackers to conduct cross-site scripting (XSS) attacks with chrome privileges via an addon that inserts a (1) javascript: or (2) data: link into an about:blank document loaded by chrome via (a) the window.open function or (b) a content.location assignment, aka "Cross Context Scripting." NOTE: this issue is caused by a CVE-2007-3089 regression.

Exploits (1)

exploitdb WORKING POC VERIFIED
by moz_bug_r_a4 · textremotelinux
https://www.exploit-db.com/exploits/30439

This exploit leverages a privilege escalation vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey, allowing JavaScript to execute with Chrome privileges via an 'about:blank' page. The PoC demonstrates arbitrary script execution with elevated privileges by manipulating the document body and focusing the window.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox, Thunderbird, SeaMonkey (versions affected by CVE-2007-3844)
No auth needed
Prerequisites: Victim must visit a malicious webpage or open a crafted link
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (55)

Core 55
Core References
Issue Tracking x_refsource_confirm
https://issues.rpath.com/browse/RPL-1600
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-503-1
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2008:047
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/3587
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27414
Issue Tracking x_refsource_confirm
http://bugzilla.mozilla.org/show_bug.cgi?id=388121
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26393
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26303
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/4256
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26309
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27298
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2007:152
Third Party Advisory vendor-advisory x_refsource_gentoo
http://www.gentoo.org/security/en/glsa/glsa-200708-09.xml
Patch vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1018481
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2007/dsa-1345
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26288
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27327
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27276
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2007/dsa-1391
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2007/dsa-1346
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0980.html
Vendor Advisory vendor-advisory x_refsource_suse
http://www.novell.com/linux/security/advisories/2007_57_mozilla.html
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2007:047
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/28135
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27356
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0981.html
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25142
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/0082
Vendor Advisory vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103177-1
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-493-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26234
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2007/dsa-1344
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1018480
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27325
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0979.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1018479
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26258
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27326
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/28363
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26331
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26460
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27680
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/475265/100/200/threaded
Vendor Advisory vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201516-1
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9493
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/475450/30/5550/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26335
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26572

Scores

EPSS 0.0545
EPSS Percentile 91.7%

Details

Status published
Products (3)
mozilla/firefox 2.0.0.5
mozilla/seamonkey 1.1.3
mozilla/thunderbird 2.0.0.5
Published Aug 08, 2007
Tracked Since Feb 18, 2026