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vendor:
Advanced Guestbook
by:
Unknown
7.5
CVSS
HIGH
Cross-Site Scripting
79
CWE
Product Name: Advanced Guestbook
Affected Version From: 2.4.2002
Affected Version To: Unknown
Patch Exists: NO
Related CWE:
CPE: a:advanced_guestbook:advanced_guestbook:2.4.2
Metasploit:
Other Scripts:
Platforms Tested: Unknown
Unknown

Cross-Site Scripting in Advanced Guestbook

Advanced Guestbook is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

Mitigation:

The vendor should release a patch or update that properly sanitizes user-supplied input to prevent cross-site scripting attacks. Until a patch is available, users are advised to input only trusted data and avoid clicking on suspicious links.
Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/23873/info

Advanced Guestbook is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

This issue affects Advanced Guestbook 2.4.2; other versions may also be affected. 

http://www.example.com/picture.php?size[0]=1&size[1]=1&img=1&picture=[xss]

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