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Advisories

phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha

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severity
critical
date
Affecting

  • phpmyfaq >= 0, < 4.1.2

CWE
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS
9.8
Credit
adrgs, aisafe-bot
Description
phpMyFAQ before 4.1.2 contains an unauthenticated SQL injection vulnerability in BuiltinCaptcha::garbageCollector() and BuiltinCaptcha::saveCaptcha() methods that interpolate unsanitized User-Agent headers into DELETE and INSERT queries. Unauthenticated attackers can exploit the public GET /api/captcha endpoint by crafting malicious User-Agent headers to perform time-based blind SQL injection, extracting sensitive data including user credentials, admin tokens, and SMTP credentials from the database.

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