What is GHSA-m4g4-86qc-v8w7?

GHSA-m4g4-86qc-v8w7 is a security advisory published by GitHub Security Advisories with Medium severity. silverstripe/versioned has XSS in archive admin restore

Which CVE IDs does GHSA-m4g4-86qc-v8w7 cover?

GHSA-m4g4-86qc-v8w7 covers the following CVE IDs: CVE-2026-55779. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m4g4-86qc-v8w7?

GHSA-m4g4-86qc-v8w7 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

Which products are affected by GHSA-m4g4-86qc-v8w7?

GHSA-m4g4-86qc-v8w7 affects 1 product, including: composer/silverstripe/versioned:\u003c 3.2.1.

GHSA-m4g4-86qc-v8w7MediumCVSS 5.4

silverstripe/versioned has XSS in archive admin restore

Vendor

GitHub Security Advisories

Published

August 28, 2026

Last Modified

August 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-55779 →

📋 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.

🎯 Affected products1

composer/silverstripe/versioned:< 3.2.1

🔗 References (7)

https://github.com/silverstripe/silverstripe-versioned/security/advisories/GHSA-m4g4-86qc-v8w7
https://github.com/silverstripe/silverstripe-versioned/pull/541
https://github.com/silverstripe/silverstripe-versioned/commit/6e30a2cf8d4b9233690464da61bd0fc4d3e92952
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/versioned/CVE-2026-55779.yaml
https://github.com/silverstripe/silverstripe-versioned/releases/tag/3.2.1
https://www.silverstripe.org/download/security-releases/cve-2026-55779
https://github.com/advisories/GHSA-m4g4-86qc-v8w7