Medium (5.3) in concretecms concrete cms. EPSS 11% chance of exploitation in the next 30 days.
An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvID' integers.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
11% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)