CVE-2021-40108
8.8 HIGHAn issue was discovered in Concrete CMS through 8.5.5
Published: 2021-09-27 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 8.8 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CWE
- CWE-352
Affected products
| Vendor | Product |
|---|---|
| concretecms | concrete_cms |
Description
An issue was discovered in Concrete CMS through 8.5.5. The Calendar is vulnerable to CSRF. ccm_token is not verified on the ccm/calendar/dialogs/event/add/save endpoint.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40108
- [Vendor advisory]https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes
- [Other]https://hackerone.com/reports/1102018
- [Vendor advisory]https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes
- [Other]https://hackerone.com/reports/1102018
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