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Advisories

vtenext before 25.02.2 CSRF Protection Bypass via HTTP Method Tampering

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Severity
medium
Date
Affecting

  • vtenext >= 0, < 25.02.2

CWE
  • CWE-352 Cross-Site Request Forgery (CSRF)
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Mattia "0xbro" Brollo
Description
vtenext before 25.02.2 contains a cross-site request forgery protection bypass because csrf_check() in include/utils/VteCsrf.php skips __csrf_token validation for non-POST requests. Attackers can induce a logged-in user to open a crafted link sending state-changing GET requests, which handlers read from $_REQUEST, performing actions as that user.

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