Aimeos GrapesJS CMS extension has possible stored XSS that's exploitable by authenticated editors
Impact
Javascript code can be injected by malicious editors for a stored XSS attack if the standard Content Security Policy is disabled.
Workaround
If the standard CSP rules are active (default in production mode), an exploit isn't possible.
Credits
Lwin Min Oo lwinminoo2244@gmail.com
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | aimeos/ai-cms-grapesjs | >= 2021.04.1, < 2021.10.8, >= 2022.04.1, < 2022.10.9, >= 2023.04.1, < 2023.10.15, >= 2024.04.1, < 2024.10.8, >= 2025.04.1, < 2025.10.2 | 2021.10.8, 2022.10.9, 2023.10.15, 2024.10.8, 2025.10.2 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
aimeos/ai-cms-grapesjs- Disclosed
- 03.12.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-424m-fj2q-g7vg - CC BY 4.0
Vulnerability history: aimeos/ai-cms-grapesjs
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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