CVE-2006-2783 Cross-site scripting in n/a
Remote attackers can execute arbitrary scripts in Firefox or Thunderbird by exploiting BOM stripping flaws, requiring user interaction to view a malicious page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2006-2783?
CVE-2006-2783 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox, published on 2 Jun 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2006-2783?
It affects 2 products.
Products include Mozilla Firefox, Mozilla Thunderbird.
How do I fix CVE-2006-2783?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2006-2783 being exploited?
There is no known exploitation of CVE-2006-2783 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2006-2783, GHSA-776f-3rrc-fhxf.