Vulnerability · Published Sep 24, 2021 · Assigned by mitre
CVE-2021-40100
Medium 5.4
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.5%top 55.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://hackerone.com/reports/616770 x_refsource_MISC
- https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes x_refsource_MISC