MyBB XSS cross-site scripting

2006.01.02

Credit: addmimistrator

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2005-4603

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

Hey
this is a security bug in printthread.PHP script of MyBB(all version also fully patched) that allows XSS crosssite scripting hacking and can be exploit without limitation.
post this message on a thread and go to print view of thread to view execution of exploit.

<script language=javascript>document.write("<script language=javascript>a"+"lert('Security bug allows XSS Cross-site scripting hacking found by imei')</"+"script>");</script>

this bug is in result of poor checking htmlspecialchars in printthread view of a topic and can exploit without any limitation against cookies.

be beauty
imei

See this note in RAW Version

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MyBB XSS cross-site scripting

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