VulnerabilityModified
CVE-2021-40100
Stored XSS can occur in Conversations when the Active Conversation Editor is set to Rich Text.
MEDIUM 5.4EPSS 0.52%
Does this matter?
Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.52% probability · 42th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- concretecms/concrete cms
- Source
- cve@mitre.org
References
- https://documentation.concretecms.org/developers/introduction/version-history/856-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/616770Permissions Required, Third Party Advisory
- https://documentation.concretecms.org/developers/introduction/version-history/856-release-notesRelease Notes, Vendor Advisory
- https://hackerone.com/reports/616770Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.