Description
XSS in /dashboard/blocks/stacks/view_details/ - old browsers only. When using an older browser with built-in XSS protection disabled, insufficient sanitation where built urls are outputted can be exploited for Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2 to allow XSS. This cannot be exploited in modern-day web browsers due to an automatic input escape mechanism. Concrete CMS Security team ranked this vulnerability 3.1with CVSS v3.1 Vector AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N. Sanitation has been added where built urls are output. Credit to Credit to Bogdan Tiron from FORTBRIDGE (https://www.fortbridge.co.uk/ ) for reporting
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/concrete5/concrete5 | Remediated in Concrete CMS 8.5.8 and 9.1.0. Affected Versions are Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2 |
References
- https://documentation.concretecms.org/developers/introduction/version-history/858-release-notesRelease Notes, Vendor Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/910-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1363598Permissions Required, Third Party Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/858-release-notesRelease Notes, Vendor Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/910-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/1363598Permissions Required, Third Party Advisory
Timeline
- Published
- Jun 24, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified