How severe is CVE-2025-30148?

CVE-2025-30148 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-30148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30148?

CVE-2025-30148 affects Silverstripe Framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-30148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-30148 have an EU (EUVD) identifier?

Yes. CVE-2025-30148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10684.

When was CVE-2025-30148 published?

CVE-2025-30148 was published on 2025-04-10 and last updated on 2026-06-17.

CVE-2025-30148

CVE-2025-30148 is a medium-severity vulnerability in Silverstripe Framework with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10684
Weakness: CWE-79
Affected product: Silverstripe Framework
Published: 2025-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2025-30148?: CVE-2025-30148 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-30148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30148?: CVE-2025-30148 affects Silverstripe Framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-30148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30148 have an EU (EUVD) identifier?: Yes. CVE-2025-30148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10684.
When was CVE-2025-30148 published?: CVE-2025-30148 was published on 2025-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:silverstripe:framework:*:*:*:*:*:*:*:*

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