CVE-2026-48527

HAX CMS helps manage microsite universe with PHP or NodeJs backends. Versions up to and including 26.0.0 are affected by a stored cross-site scripting (XSS) vulnerability in the `/system/api/saveNode` endpoint. An authenticated user with a permission to edit pages can bypass the HTML sanitizer by injecting an event handler attribute without whitespace before the attribute name. @haxtheweb/haxcms-nodejs 26.0.1 and haxcms-php 26.0.2 patch the issue.

CVSS v3 8.7 HIGH

8.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.3 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h
https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h

Configurations

No configuration.

History

No history.

Information

Published : 2026-05-29 13:16

Updated : 2026-07-21 12:10

NVD link : CVE-2026-48527

Mitre link : CVE-2026-48527

CVE.ORG link : CVE-2026-48527

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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