X7Chat <= 2.0.2 avatar XSS injection

2006.05.10

Credit: zerogue gmail com

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2006-2282

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

X7Chat <= 2.0.2 avatar XSS injection

Discovered by: Nomenumbra

Date: 6/4/2006

impact:moderate (privilege escalation,possible defacement)

X7Chat versions 2.0.2 and below are prone to XSS injection in a user's avatar.

By setting this as the url of your avatar:

javascript:alert('xss')

you'd have some good ol' XSS

Nomenumbra/[0x4F4C]

See this note in RAW Version

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X7Chat <= 2.0.2 avatar XSS injection

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