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.

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Fixes

Solution

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Workaround

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History

Thu, 10 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 04 Sep 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Thorsten
Thorsten phpmyfaq
Vendors & Products Thorsten
Thorsten phpmyfaq

Fri, 04 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title phpMyFAQ before 4.1.8 CAPTCHA Bypass via store parameter
First Time appeared Phpmyfaq
Phpmyfaq phpmyfaq
Weaknesses CWE-799
CPEs cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*
Vendors & Products Phpmyfaq
Phpmyfaq phpmyfaq
References
Metrics cvssV4_0

{'score': 6.9, '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-10T15:09:44.277Z

Reserved: 2026-09-04T10:56:22.465Z

Link: CVE-2026-85586

cve-icon Vulnrichment

Updated: 2026-09-10T14:28:28.131Z

cve-icon NVD

Status : Deferred

Published: 2026-09-04T12:17:20.737

Modified: 2026-09-10T16:17:59.233

Link: CVE-2026-85586

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-04T14:00:05Z

Weaknesses