cjGuestbook v1.3 - XSS

Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

cjGuestbook v1.3 Homepage: http://cmj-php.opanelhosting.com Affected files: * posting in the guestbook XSS vuln with cookie disclosure: cjGuestbook uses bbcode, and since theres a vulnerability in early editions of bbcode we can achieve our XSS example. For a PoC put in as your comment: [img]javascript:alert(document.cookie)[/img] Screenshots: http://www.youfucktard.com/xsp/cjgb1.jpg http://www.youfucktard.com/xsp/cjgb2.jpg

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