Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck
CVE-2026-85586phpMyFAQ before 4.1.8 CAPTCHA Bypass via store parameter
Medium 6.9
In plain English
A medium-severity security flaw in phpMyFAQ from thorsten. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.5%top 57.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-799 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
References
- GitHub Security Advisory (GHSA-72vj-pvm4-mm7x) vendor-advisory
- VulnCheck Advisory: phpMyFAQ before 4.1.8 CAPTCHA Bypass via store parameter third-party-advisory