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CVE-2025-30148

Silverstripe Framework has a XSS vulnerability in HTML editor

Published: Apr 10, 2025Updated: Sep 4, 2025 Sources: CVE List NVD GHSACWE-79
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.2%
Top 85.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. Prior to 5.3.23, 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 sanitized on the client-side, but server-side sanitization doesn't catch it. The server-side sanitization logic has been updated to sanitize against this attack. This vulnerability is fixed in 5.3.23.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

frameworksilverstripe
On-prem
Web & CMS Plugins / cms-core
silverstripe/frameworkPackagistOSS Libraries
silverstripe-frameworksilverstripe
On-prem
Web & CMS Plugins / cms-core
silverstripecommercialWeb & CMS Pluginsaka silverstripe framework, silverstripe cms
packagistpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/silverstripe/silverstripe-framework/commit/e99cfd62d160d145a76fcf9631e6b11226e42358
github.com
https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-rhx4-hvx9-j387
github.com
https://www.silverstripe.org/download/security-releases/cve-2025-30148
silverstripe.org
and 4 more references View all →

Timeline

Published
Apr 10, 2025
Last Updated
Sep 4, 2025

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