silverstripe/silverstripe-framework · Security
Silverstripe Framework has a XSS vulnerability in HTML editor
- GHSA ID
- GHSA-rhx4-hvx9-j387
- CVE ID
- CVE-2025-30148
- Severity
- medium
- Published
- Updated
- CVSS
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CVSS v3
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Description
Impact
A bad actor with access to edit content in the CMS could send a specifically crafted encoded payload to the server, which could be used to inject a JavaScript payload on the front end of the site. The payload would be sanitised on the client-side, but server-side sanitisation doesn't catch it.
The server-side sanitisation logic has been updated to sanitise against this attack.
Reported by
James Nicoll from Fujitsu Cyber
References
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-rhx4-hvx9-j387 ↗
- https://github.com/silverstripe/silverstripe-framework/pull/11682 ↗
- https://github.com/silverstripe/silverstripe-framework/commit/e99cfd62d160d145a76fcf9631e6b11226e42358 ↗
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2025-30148.yaml ↗
- https://www.silverstripe.org/download/security-releases/cve-2025-30148 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2025-30148 ↗
- https://github.com/advisories/GHSA-rhx4-hvx9-j387 ↗