phpMyFAQ has stored XSS in admin "List of users" via display_name HTML entity decoding (html_entity_decode) + Twig |raw

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-68951
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-29 16:15:43 UTC
Updated2026-10-07 12:10:00 UTC
DescriptionphpMyFAQ is an open source FAQ web application. Versions 4.0.14 and 4.0.15 have a stored cross-site scripting (XSS) vulnerability that allows an attacker to execute arbitrary JavaScript in an administrator’s browser by registering a user whose display name contains HTML entities. When an administrator views the admin user list, the payload is decoded server-side and rendered without escaping, resulting in script execution in the admin context. Version 4.0.16 contains a patch for the issue.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.002800000 probability, percentile 0.187250000 (date 2026-10-06)

Problem Types: CWE-79 | CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Phpmyfaq Phpmyfaq All All All All
Application Phpmyfaq Phpmyfaq 4.1.0 rc All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Thorsten PhpMyFAQ affected >= 4.0.14, < 4.0.16 Not specified

References

ReferenceSourceLinkTags
github.com/thorsten/phpMyFAQ/commit/8211d1d25951b4c272443cfc3ef9c09b1363... [email protected] github.com Patch
github.com/thorsten/phpMyFAQ/security/advisories/GHSA-jv8r-hv7q-p6vc [email protected] github.com Vendor Advisory
github.com/thorsten/phpMyFAQ/commit/61829e83411f7b28bc6fd1052bfde54c32c6... [email protected] github.com Patch
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