GHSA-6hh6-59j2-qrxw
Silverstripe History XSS Vulnerability
A cross-site scripting vulnerability has been discovered in the CMS page history tab.
This vulnerability can only be exploited if a user with CMS access has posted malicious or unescaped HTML into any of the text fields on a page, and if the "compare mode" option is selected. The HTML will be embedded into the page unescaped.
This has been resolved by performing the text comparison in a HTML friendly way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
What each source reports
GitHub Advisories Score used
Silverstripe History XSS Vulnerability
A cross-site scripting vulnerability has been discovered in the CMS page history tab.
This vulnerability can only be exploited if a user with CMS access has posted malicious or unescaped HTML into any of the text fields on a page, and if the "compare mode" option is selected. The HTML will be embedded into the page unescaped.
This has been resolved by performing the text comparison in a HTML friendly way.
- Record
GHSA-6hh6-59j2-qrxw- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Silverstripe History XSS Vulnerability
A cross-site scripting vulnerability has been discovered in the CMS page history tab.
This vulnerability can only be exploited if a user with CMS access has posted malicious or unescaped HTML into any of the text fields on a page, and if the "compare mode" option is selected. The HTML will be embedded into the page unescaped.
This has been resolved by performing the text comparison in a HTML friendly way.
- Record
GHSA-6hh6-59j2-qrxw- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
silverstripe/cmsPackagist | 3.1.0 to 3.1.9 | 3.1.10 |
silverstripe/cmsPackagist | 3.1.0 up to 3.1.10, plus listed versions 3.1.13.1.10-rc13.1.10-rc23.1.23.1.2-rc1 Show 16 moreShow less3.1.33.1.3-rc13.1.3-rc23.1.43.1.4-rc13.1.53.1.5-rc13.1.63.1.6-rc13.1.6-rc23.1.6-rc33.1.73.1.7-rc13.1.83.1.93.1.9-rc1 | 3.1.10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-6hh6-59j2-qrxw is a medium vulnerability (CVSS 6.1) in silverstripe/cms, published May 22, 2024. No source lists public exploit code. Fixed in silverstripe/cms 3.1.10.