CVE-2026-54720CWE-79

Silverstripe Framework: Possible XSS attack through media embed

Medium · published July 1, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
17.1
In the wild
Unconfirmed
What it is

Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the "Insert media from web" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00263 · 17.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-01T21:02Z
EPSS history
Timeline
  • 01 JUL 21:02Z
    Silverstripe Framework: Possible XSS attack through media embed
    cvelistv5