Silverstripe admin XSS Vulnerability via WYSIWYG editor
It is possible for a bad actor with access to the CMS to make use of onmouseover or onmouseout attributes in the WYSIWYG editor to embed malicious javascript.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | silverstripe/admin | >= 1.0.3, < 1.0.4, >= 1.1.0, < 1.1.1 | 1.0.4, 1.1.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
silverstripe/admin- Disclosed
- 22.05.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-779c-7w4p-2c4g - CC BY 4.0
Vulnerability history: silverstripe/admin
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 8
- First → latest
- 10.2021 05.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 7
- Low 1
Disclosures per year
- 2021: 1
- 2022: 2
- 2023: 3
- 2024: 2
- 2025: 0
- 2026: 0
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