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Medium · 6.9 CVE-2026-85586 EUVD-2026-71009GHSA-m8g2-rwh5-6gg5

phpMyFAQ before 4.1.8 CAPTCHA Bypass via store parameter

Published Sep 4, 2026 · Updated Sep 10, 2026 · Assigned by VulnCheck

Description

phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question submission requests. Unauthenticated attackers can bypass CAPTCHA protection and submit unlimited questions directly, causing database pollution and triggering outgoing mail notifications.

Affected products

VendorProductAffectedFixed
thorsten phpMyFAQ < 4.1.8 4.1.8

References