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CVE-2026-34728

8.7 · HIGH

phpMyFAQ is an open source FAQ web application.

Published Apr 2, 2026CWE-22EPSS 0.79%

Overview

CVE-2026-34728 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the MediaBrowserController::index() method handles file deletion for the media browser. When the fileRemove action is triggered, the user-supplied name parameter is concatenated with the base upload directory path without any path traversal validation. The FILTER_SANITIZE_SPECIAL_CHARS filter only encodes HTML special characters (&, ', ", <, >) and characters with ASCII value < 32, and does not prevent directory traversal sequences like ../. Additionally, the endpoint does not validate CSRF tokens, making it exploitable via CSRF attacks. This issue has been patched in version 4.1.1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/thorsten/phpMyFAQ/releases/tag/4.1.1GitHubgithub.com/thorsten/phpMyFAQ/security/advisories/GHSA-38m8-xrfj-v38xGitHubgithub.com/thorsten/phpMyFAQ/security/advisories/GHSA-38m8-xrfj-v38x

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34728?

CVE-2026-34728 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 8.7 (HIGH).

How severe is CVE-2026-34728?

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34728?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34728?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34728 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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