XSS in Silverstripe Framework
CVE-2025-30148
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…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (14.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Silverstripe Framework
- Silverstripe Silverstripe-framework — versions < 5.3.23
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-30148?
- CVE-2025-30148 is a medium-severity vulnerability in Silverstripe Framework, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-04-10.
- How severe is CVE-2025-30148?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-30148 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.