PT-2021-22814 · Unknown · Concrete Cms

Published 2021-09-27 · Updated 2021-10-01 · CVE-2021-40105

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Concrete CMS versions through 8.5.5

Description An issue was discovered in Concrete CMS, allowing for XSS via Markdown Comments.

Recommendations For versions through 8.5.5, update to a version later than 8.5.5 to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-40105

Affected Products

Concrete Cms

References · 6

• https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-40105 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40105 · Security Note
• https://t.me/cvenotify/21783 · Telegram Post
• https://t.me/cibsecurity/29448 · Telegram Post
• https://hackerone.com/reports/1102054 · Note