CVE-2006-2783

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-06-02 · updated 2026-06-16
Weakness: CWE-79

Description

Mozilla Firefox and Thunderbird before 1.5.0.4 strip the Unicode Byte-order-Mark (BOM) from a UTF-8 page before the page is passed to the parser, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a BOM sequence in the middle of a dangerous tag such as SCRIPT.

Affected products

Mozilla Firefox: through 1.5.0.3
Mozilla Thunderbird: through 1.5.0.3

References

http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html
http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
http://rhn.redhat.com/errata/RHSA-2006-0609.html
http://secunia.com/advisories/20376
http://secunia.com/advisories/20382
http://secunia.com/advisories/20561
http://secunia.com/advisories/20709
http://secunia.com/advisories/21134
http://secunia.com/advisories/21176
http://secunia.com/advisories/21178
http://secunia.com/advisories/21183
http://secunia.com/advisories/21188

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