Movable Type Blog Entry Posting HTML Injection Vulnerability

Bugtraq ID:	15305
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Nov 03 2005 12:00AM
Updated:	Feb 28 2007 07:26PM
Credit:	Tim Brown is credited with the discovery of this vulnerability.
Vulnerable:	Movable Type Movable Type 3.17 Movable Type Movable Type 3.16 Movable Type Movable Type 3.2 Movable Type Movable Type 2.63 Movable Type Movable Type 2.0
Not Vulnerable:

Movable Type Blog Entry Posting HTML Injection Vulnerability

Movable Type is prone to an HTML-injection vulnerability because the application fails to properly sanitize user-supplied input before using it in dynamically generated content.

Attacker-supplied HTML and script code would run in the context of the affected site, potentially allowing an attacker to steal cookie-based authentication credentials and to control how the site is rendered to the user. Other attacks are also possible.

Note that the vendor refutes this issue, stating it is not a security vulnerability.

Movable Type Blog Entry Posting HTML Injection Vulnerability

No exploit is required.

Movable Type Blog Entry Posting HTML Injection Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: mailto:[email protected].

Movable Type Blog Entry Posting HTML Injection Vulnerability

References:

• Movable Type Change Log (Movable Type)
  
• Movable Type Homepage (Movable Type)