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...

GHSA-G2G8-95QG-V35H HaxCMS has a stored Cross-Site Scripting (XSS) bypass in its saveNode endpoint

Summary HaxCMS is 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. For example...

CVE-2026-48527

HAX CMS (PHP/NodeJS backends) is affected up to version 26.0.0 by a stored XSS in the /system/api/saveNode endpoint. An authenticated user with page-edit permissions can bypass the HTML sanitizer by injecting an event handler attribute without whitespace before the attribute name. Affected compon...

CVE-2026-48527 HaxCMS has a stored Cross-Site Scripting (XSS) bypass in saveNode endpoint

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...

HAX security vulnerabilities

HAX is an open-source microsite managed using HAX+CMS with a PHP backend. Versions of HAX 26.0.0 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the /system/api/saveNode endpoint, which had a storage-oriented cross-site scripting vulnerability. Users with edit...

PT-2026-44828

Name of the Vulnerable Software and Affected Versions HAX CMS versions prior to 26.0.1 Description A stored cross-site scripting XSS issue exists in the '/system/api/saveNode' endpoint. An authenticated user with page editing permissions can bypass the HTML sanitizer by injecting an event handler...