phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability that allows authenticated content authors to inject JavaScript by embedding iframes with data:text/html sources in FAQ or News content. Attackers can bypass the hostless media-host allowlist in FaqHelper::cleanUpContent(), which is rendered via Twig's raw filter, to run phishing interfaces or top-frame redirects for viewers.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Sat, 17 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability that allows authenticated content authors to inject JavaScript by embedding iframes with data:text/html sources in FAQ or News content. Attackers can bypass the hostless media-host allowlist in FaqHelper::cleanUpContent(), which is rendered via Twig's raw filter, to run phishing interfaces or top-frame redirects for viewers.
Title phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Stored XSS via iframe data: URI
First Time appeared Phpmyfaq
Phpmyfaq phpmyfaq
Weaknesses CWE-79
CPEs cpe:2.3:a:phpmyfaq:phpmyfaq:*:*:*:*:*:*:*:*
Vendors & Products Phpmyfaq
Phpmyfaq phpmyfaq
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-17T18:46:17.887Z

Reserved: 2026-10-17T12:16:44.849Z

Link: CVE-2026-111894

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-17T19:16:31.017

Modified: 2026-10-17T19:16:31.130

Link: CVE-2026-111894

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T21:00:14Z

Weaknesses