GitHub Advisoryadvisory · Packagist
GHSA-m4g4-86qc-v8w7 silverstripe/versioned has XSS in archive admin restore
MEDIUM
Official page ↗
- Aliases
- CVE-2026-55779
- Ecosystem
- Packagist
- Packages
- silverstripe/versioned
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-79
- Reviewed
- 2026-08-28
Affected packages
• Packagist silverstripe/versioned: < 3.2.1 → fixed in 3.2.1
Description
Impact
It's possible to use the page title as an XSS vector when restoring a page in ArchiveAdmin
Reporter
Steve Boyd
Silverstripe Ltd.
Related
Alias · CVE (1)
- CVE-2026-55779 Silverstripe Versioned provides versioning for Silverstripe models. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/silverstripe/silverstripe-versioned/security/advisories/GHSA-m4g4-86qc-v8w7 web
- https://github.com/silverstripe/silverstripe-versioned/pull/541 web
- https://github.com/silverstripe/silverstripe-versioned/commit/6e30a2cf8d4b9233690464da61bd0fc4d3e92952 web
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/versioned/CVE-2026-55779.yaml web
- https://github.com/silverstripe/silverstripe-versioned package
- https://github.com/silverstripe/silverstripe-versioned/releases/tag/3.2.1 web
- https://www.silverstripe.org/download/security-releases/cve-2026-55779 web