Silverstripe Form field validation message XSS vulnerability
A high level XSS risk has been identified in the encoding of validation messages in certain FormField classes.
Certain fields such as the NumericField and DropdownField have been identified, but any form field which presents any invalid content as a part of its validation response will be at risk.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | silverstripe/framework | >= 3.0.0, < 3.1.16, >= 3.2.0, < 3.2.1 | 3.1.16, 3.2.1 |
References
- https://github.com/silverstripe/silverstripe-framework/commit/245e0aae2f5f3eb0acba1d198ad8e196bb224462
- https://github.com/silverstripe/silverstripe-framework/commit/bc1b2893accba6401c03f9ea3b0cbc4621c7a02c
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2015-026-1.yaml
- https://github.com/silverstripe/silverstripe-framework
- https://www.silverstripe.org/download/security-releases/ss-2015-026
- 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-j982-5jv7-v43r - 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 Form field validation message XSS vulnerability this entry
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