CVE-2026-66398
phpMyFAQ before 4.1.6 Remote Code Execution via Configuration API
- State
- Published
- Severity
- 9.4 Critical
- Published
- Jul 27, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jul 26, 2026
Description
phpMyFAQ before v4.1.6 contains a remote code execution vulnerability in the configuration API that allows authenticated administrators with CONFIGURATION_EDIT and ATTACHMENT_ADD privileges to write arbitrary PHP files by manipulating the upgrade.lastDownloadedPackage setting. Attackers can upload a malicious ZIP file as an attachment, point the updater configuration to its stored path, and extract it into the application root to achieve code execution as the web server user.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | VulnCheck |
Weaknesses
- CWE-494 Download of Code Without Integrity Check
Affected Products
| Product | Versions |
|---|---|
phpMyFAQthorsten |
|
References
- GitHub Security Advisory (GHSA-4fv7-8rr6-rf2w)vendor-advisory
- VulnCheck Advisory: phpMyFAQ before 4.1.6 Remote Code Execution via Configuration APIthird-party-advisory
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