Vulnerability Monitor

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CVE-2025-49137

HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and 'saveManifest' endpoints take user input and store it in the JSON schema for the site. This content is then rendered in the generated HAX site. Although the application does not allow users to supply a `script` tag, it does allow the use of other HTML tags to run JavaScript. Version 11.0.0 fixes the issue.

Published

2025-06-09T21:15:46.890

Last Modified

2025-07-30T17:36:14.653

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.5 (HIGH)

Weaknesses

Type: Secondary
CWE-79
CWE-80
CWE-87
Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	psu	haxcms-nodejs	< 11.0.0	Yes
Application	psu	haxcms-php	< 11.0.0	Yes

References

https://github.com/haxtheweb/haxcms-php/commit/0dd3e98fe2fadd0793b667d4af2aac230980e0f8 Patch ([email protected])
https://github.com/haxtheweb/issues/security/advisories/GHSA-2vc4-3hx7-v7v7 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://github.com/haxtheweb/issues/security/advisories/GHSA-2vc4-3hx7-v7v7 Exploit, Issue Tracking, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)