{"id":"CVE-2026-48527","sourceIdentifier":"security-advisories@github.com","published":"2026-05-29T13:16:23.133","lastModified":"2026-07-21T12:10:00.090","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"HAX CMS ayuda a gestionar el universo de micrositios con backends de PHP o NodeJs. Las versiones hasta la 26.0.0 inclusive están afectadas por una vulnerabilidad de cross-site scripting (XSS) almacenado en el endpoint `/system/api/saveNode`. Un usuario autenticado con permiso para editar páginas puede eludir el saneador HTML inyectando un atributo de gestor de eventos sin espacios en blanco antes del nombre del atributo. @haxtheweb/haxcms-nodejs 26.0.1 y haxcms-php 26.0.2 parchean el problema."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"haxtheweb","product":"haxcms-nodejs","versions":[{"version":"< 26.0.1","status":"affected"}]},{"vendor":"haxtheweb","product":"haxcms-php","versions":[{"version":"< 26.0.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":5.8}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-29T13:02:45.553797Z","id":"CVE-2026-48527","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"references":[{"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h","source":"security-advisories@github.com"},{"url":"https://github.com/haxtheweb/issues/security/advisories/GHSA-g2g8-95qg-v35h","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}