CVE-2025-49137

Hax CMS Stored Cross-Site Scripting vulnerability

Published Jun 9, 2025 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-17562 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.
Github GHSA Github GHSA GHSA-2vc4-3hx7-v7v7 Hax CMS Stored Cross-Site Scripting vulnerability
History
Type Values Removed Values Added
First Time appeared Psu
Psu haxcms-nodejs
Psu haxcms-php
CPEs cpe:2.3:a:haxtheweb:haxcms-nodejs:*:*:*:*:*:node.js:*:*
cpe:2.3:a:haxtheweb:haxcms-php:*:*:*:*:*:*:*:*
cpe:2.3:a:psu:haxcms-nodejs:*:*:*:*:*:node.js:*:*
cpe:2.3:a:psu:haxcms-php:*:*:*:*:*:*:*:*
Vendors & Products Haxtheweb
Haxtheweb haxcms-nodejs
Haxtheweb haxcms-php
Psu
Psu haxcms-nodejs
Psu haxcms-php
Type Values Removed Values Added
Metrics epss

{'score': 0.00036}

epss

{'score': 0.00041}

Type Values Removed Values Added
First Time appeared Haxtheweb
Haxtheweb haxcms-nodejs
Haxtheweb haxcms-php
CPEs cpe:2.3:a:haxtheweb:haxcms-nodejs:*:*:*:*:*:node.js:*:*
cpe:2.3:a:haxtheweb:haxcms-php:*:*:*:*:*:*:*:*
Vendors & Products Haxtheweb
Haxtheweb haxcms-nodejs
Haxtheweb haxcms-php
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Hax CMS Stored Cross-Site Scripting vulnerability
Weaknesses CWE-79
CWE-80
CWE-87
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 10, 2025, 3:30 PM
Reserved
Jun 2, 2025, 10:39 AM
Status
Analyzed
Published
Jun 9, 2025, 9:15 PM
Modified
Jun 17, 2026, 9:30 AM