Vulnerability Description
An issue was discovered in Concrete CMS through 8.5.5. Stored XSS can occur in Conversations when the Active Conversation Editor is set to Rich Text.
CVSS Score
5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Concretecms | Concrete Cms | <= 8.5.5 |
Related Weaknesses (CWE)
References
- https://documentation.concretecms.org/developers/introduction/version-history/85Release NotesVendor Advisory
- https://hackerone.com/reports/616770Permissions RequiredThird Party Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/85Release NotesVendor Advisory
- https://hackerone.com/reports/616770Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-40100?
CVE-2021-40100 is a vulnerability with a CVSS score of 5.4 (MEDIUM). An issue was discovered in Concrete CMS through 8.5.5. Stored XSS can occur in Conversations when the Active Conversation Editor is set to Rich Text.
How severe is CVE-2021-40100?
CVE-2021-40100 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-40100?
Check the references section above for vendor advisories and patch information. Affected products include: Concretecms Concrete Cms.