CVE-2026-54720

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Source
https://cve.org/CVERecord?id=CVE-2026-54720
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54720.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-54720
Aliases
Published
2026-07-01T21:02:59Z
Modified
2026-10-21T02:58:35Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVSS Calculator
Summary
Silverstripe Framework: Possible XSS attack through media embed
Details

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/

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-79"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54720.json"
}
References

Affected packages

Git / github.com/silverstripe/silverstripe-framework

Affected ranges

Type
GIT
Repo
https://github.com/silverstripe/silverstripe-framework
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1bcb02adfc365c6436dc26ab2f6dd32d97f3979b
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "6.2.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "6.2.2"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Affected versions

2.*
2.2.0-rc1
2.2.2-rc1
2.3.0-rc1
3.*
3.0.0-alpha1
3.0.0-alpha2
3.0.0-beta1
3.0.0-beta2
3.0.0-beta3
3.0.0-rc1
4.*
4.0.0-alpha1
4.0.0-alpha2
4.0.0-alpha3
4.0.0-alpha4
4.0.0-alpha6
4.0.0-alpha7
4.0.0-beta1
4.0.0-beta2
4.0.0-beta3
4.1.0-rc1
4.6.0-beta1
4.7.0-beta1
4.8.0-beta1
4.9.0-alpha1
4.9.0-beta1
5.*
5.0.0-alpha1
5.0.0-beta1
5.1.0-beta1
6.*
6.0.0-alpha1
6.1.0-beta1
6.2.0
6.2.0-beta1
6.2.0-rc1
6.2.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54720.json"