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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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# phpVibe < 4.20 Stored XSS

# Vendor Homepage: http://www.phpvibe.com
# Affected Versions: prior to 4.20

# Discovered by Filippos Mastrogiannis
# Twitter: @filipposmastro
# LinkedIn: https://www.linkedin.com/pub/filippos-mastrogiannis/68/132/177

-- Description --

This stored XSS vulnerability allows any logged in user
to inject malicious code in the comments section:
e.g. "><body onLoad=confirm("XSS")>

The vulnerability exists because the user input is not properly sanitized
and this can lead to malicious code injection that will be executed on the
target’s browser

-- Proof of Concept --

1. The attacker posts a new comment which contains our payload:
"><body onLoad=confirm("XSS")>

2. The stored XSS can be triggered when any user visits the link of the
uploaded content

-- Solution --

The vendor has fixed the issue in the version 4.21