CVE-2006-6503: XSS

Published Dec 20, 2006
·
Updated

Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.

Affected Software

9 affected components
Mozilla Firefox>=1.5<1.5.0.9
Mozilla Firefox>=2.0<2.0.0.1
Mozilla SeaMonkey<1.0.7
Mozilla Thunderbird<1.5.0.9
Debian Debian Linux=3.1
Debian Debian Linux=4.0
Canonical Ubuntu Linux=6.06
Canonical Ubuntu Linux=6.10
Canonical Ubuntu Linux=5.10

Event History

Dec 20, 2006
CVE Published
01:28 AM
Data Sourced
via NVD·01:28 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2006-6503?

CVE-2006-6503 is considered a moderate vulnerability as it allows attackers to bypass cross-site scripting protection.

2

How do I fix CVE-2006-6503?

To fix CVE-2006-6503, upgrade to Mozilla Firefox version 2.0.0.1 or later, SeaMonkey 1.0.7 or later, and Thunderbird 1.5.0.9 or later.

3

Which software is affected by CVE-2006-6503?

CVE-2006-6503 affects Mozilla Firefox 2.x before 2.0.0.1, Thunderbird before 1.5.0.9, SeaMonkey before 1.0.7, and specific versions of Debian and Ubuntu Linux.

4

What type of vulnerability is CVE-2006-6503?

CVE-2006-6503 is a cross-site scripting (XSS) vulnerability that allows remote attackers to exploit web applications.

5

Can CVE-2006-6503 be exploited remotely?

Yes, CVE-2006-6503 can be exploited remotely by attackers who manipulate the src attribute of an IMG element.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203