CVE-2026-54720: silverstripe-framework · Cross-site Scripting
Affects silverstripe-frameworkSource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium : upgrade to 6.2.2 when convenient.
Data as of 13 Nov 2026, 23:54 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.2.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade silverstripe-framework and silverstripe/silverstripe-framework to 6.2.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| silverstripesilverstripe-framework | Affected
| Fixed in
|
Packagistsilverstripe/silverstripe-frameworkpkg:composer/silverstripe/silverstripe-frameworkOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade Silverstripe Framework to version 6.2.2 or later, where this vulnerability has been fixed. No other official remediation or temporary fixes are documented. Patch status is confirmed by the vendor advisory stating the fix in 6.2.2.
Description
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/