Multiple XSS in MCG GuestBook

2010.12.03
Credit: Aliaksandr Hartsuyeu
Risk: Low
Local: No
Remote: Yes
CVE: CVE-2010-4358
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

New eVuln Advisory: Multiple XSS in MCG GuestBook Summary: http://evuln.com/vulns/144/summary.html Details: http://evuln.com/vulns/144/description.html -----------Summary----------- eVuln ID: EV0144 Software: MCG GuestBook Vendor: Mrcgiguy Version: 1.0 Critical Level: low Type: Cross Site Scripting Status: Unpatched. No reply from developer(s) PoC: Available Solution: Not available Discovered by: Aliaksandr Hartsuyeu ( http://evuln.com/ ) --------Description-------- All vulnerabilities found in gb.cgi script. It doesn't have proper XSS sanitation filters. XSS vulnerable parameters: * name * email * website * message All these parameters are not sanitized. This can be used to insert any html or script code. Admin panel is vulnerable also --------PoC/Exploit-------- PoC code is available at: http://evuln.com/vulns/144/exploit.html ---------Solution---------- Not available ----------Credit----------- Vulnerability discovered by Aliaksandr Hartsuyeu http://evuln.com/tool/php-security.html - online php source analyzer.

References:

http://www.securityfocus.com/bid/45043
http://www.securityfocus.com/archive/1/archive/1/514884/100/0/threaded
http://secunia.com/advisories/42315
http://packetstormsecurity.org/files/view/96101/mcgguestbook-xss.txt
http://evuln.com/vulns/144/summary.html


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