CVE-2021-40100
low-risk
Published 2021-09-24
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.
Do I need to act?
-
0.25% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (4)
Permissions Required
https://hackerone.com/reports/616770
Permissions Required
https://hackerone.com/reports/616770
27
/ 100
low-risk
Severity
21/34 · High
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal