CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionNVD
The Aimeos GrapesJS CMS extension provides page editor for creating content pages based on extensible components. Prior to 2021.10.8, 2022.10.8, 2023.10.8, 2024.10.8, and 2025.10.8, Javascript code can be injected by malicious editors for a stored XSS attack if the standard Content Security Policy is disabled. This vulnerability is fixed in 2021.10.8, 2022.10.8, 2023.10.8, 2024.10.8, and 2025.10.8.
AnalysisAI
The Aimeos GrapesJS CMS extension provides page editor for creating content pages based on extensible components. Prior to 2021.10.8, 2022.10.8, 2023.10.8, 2024.10.8, and 2025.10.8, Javascript code can be injected by malicious editors for a stored XSS attack if the standard Content Security Policy is disabled. This vulnerability is fixed in 2021.10.8, 2022.10.8, 2023.10.8, 2024.10.8, and 2025.10.8.
Technical ContextAI
Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.
RemediationAI
A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-200307
GHSA-424m-fj2q-g7vg