CVE-2006-0884 Cross-site scripting in n/a

Critical 9.3 Published 24 Feb 2006 Updated 7 Aug 2024

Attackers can bypass JavaScript security settings and access sensitive data or crash the application by tricking users into editing malicious emails.

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-2006-0884?

CVE-2006-0884 is a critical cross-site scripting vulnerability in Mozilla Thunderbird, published on 24 Feb 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

The WYSIWYG rendering engine ("rich mail" editor) in Mozilla Thunderbird 1.0.7 and earlier allows user-assisted attackers to bypass javascript security settings and obtain sensitive information or cause a crash via an e-mail containing a javascript URI in the SRC attribute of an IFRAME tag, which is executed when the user edits the e-mail.

Weakness: CWE-20

Which versions are affected by CVE-2006-0884?

It affects 1 product.

Products include Mozilla Thunderbird.

How do I fix CVE-2006-0884?

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-2006-0884 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-0884 exists.

Public exploit code: 1 Exploit-DB entry.

All Mozilla Thunderbird vulnerabilities

Sources

Also known as DEBIAN-CVE-2006-0884, GHSA-f48c-g7r5-vhv8.