PatchTheCVECVE-2025-30148: Silverstripe Framework is a PHP framework which powers the Silverstripe CMS
CVE-2025-30148 is a medium-severity flaw (CVSS 5.4) affecting framework. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-04-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-30148?
framework: upgrade to newer than 5.3.23. Exact commands for each OS are on this page.
Is CVE-2025-30148 being exploited?
CVE-2025-30148 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-30148 affect?
CVE-2025-30148 affects framework. Severity is medium (CVSS 5.4). 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
How urgent is CVE-2025-30148?
Priority 24/100. No elevated risk signals yet.
Software pages
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