Silverstripe admin XSS Vulnerability via WYSIWYG editor
Priority LOW 38CWE-79Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
Fix Fixed silverstripe/admin (Packagist): 1.0.4, 1.1.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | silverstripe/admin (Packagist) | 1.0.3 to before 1.0.4 | 1.0.4 | Patch available | GHSA-779c-7w4p-2c4g |
| — | silverstripe/admin (Packagist) | 1.1.0 to before 1.1.1 | 1.1.1 | Patch available | GHSA-779c-7w4p-2c4g |
- silverstripe/admin (Packagist) Vendor— Affected 1.0.3 to before 1.0.4 Fixed in 1.0.4 Patch available GHSA-779c-7w4p-2c4g
- silverstripe/admin (Packagist) Vendor— Affected 1.1.0 to before 1.1.1 Fixed in 1.1.1 Patch available GHSA-779c-7w4p-2c4g
Remediation
- Fix · GHSA-779c-7w4p-2c4g silverstripe/admin (Packagist) Fixed in 1.0.4 Advisory →
- Fix · GHSA-779c-7w4p-2c4g silverstripe/admin (Packagist) Fixed in 1.1.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-779c-7w4p-2c4g
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences