Silverstripe Cross-site scripting vulnerability in VersionedRequestFilter
A cross-site scripting vulnerability in VersionedRequestFilter has been found.
If an incoming user request should not be able to access the requested stage, an error message is created for display on the CMS login page that they are redirected to. In this error message, the URL of the requested page is interpolated into the error message without being escaped; hence, arbitrary HTML can be injected into the CMS login page.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | silverstripe/framework | >= 3.3.2, < 3.3.3, >= 3.4.0, < 3.4.1 | 3.3.3, 3.4.1 |
References
- https://github.com/silverstripe/silverstripe-framework/commit/3fa84cf0c64a539d78600c36364817a8e38411d8
- https://github.com/silverstripe/silverstripe-framework/commit/41be95c95a55031412ee4056aeee5c2c69595836
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2016-007-1.yaml
- https://github.com/silverstripe/silverstripe-framework
- https://www.silverstripe.org/download/security-releases/ss-2016-007
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
silverstripe/framework- Disclosed
- 23.05.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-mpqj-f4v3-334h - 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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