Silverstripe Framework has a Reflected Cross Site Scripting (XSS) in error message
[!IMPORTANT] This vulnerability only affects sites which are in the "dev" environment mode. If your production website is in "dev" mode, it has been misconfigured, and you should immediately swap it to "live" mode. See https://docs.silverstripe.org/en/developer_guides/debugging/environment_types/ for more information.
If a website has been set to the "dev" environment mode, a URL can be provided which includes an XSS payload which will be executed in the resulting error message.
References
Reported by
Gaurav Nayak from Chaleit
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | silverstripe/framework | < 5.3.8 | 5.3.8 |
References
- https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-mqf3-qpc3-g26q
- https://github.com/silverstripe/silverstripe-framework/commit/a555dad4ec73c929f6316bcb4019eb325a5b77d8
- https://github.com/silverstripe/silverstripe-framework
- https://www.silverstripe.org/download/security-releases/ss-2024-002
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
silverstripe/framework- Disclosed
- 14.01.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mqf3-qpc3-g26q - CC BY 4.0
Vulnerability history: silverstripe/framework
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
- 93
- First → latest
- 11.2019 08.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 13
- Medium 69
- Low 8
Disclosures per year
- 2019: 5
- 2020: 2
- 2021: 0
- 2022: 23
- 2023: 3
- 2024: 53
- 2025: 6
- 2026: 1
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Silverstripe Framework has a Reflected Cross Site Scripting (XSS) in error message this entry
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