Medium (5.4) in vanderbilt redcap. EPSS 0.7% chance of exploitation in the next 30 days.
A Stored Cross-Site Scripting (XSS) vulnerability was discovered in Messenger/messenger_ajax.php in REDCap 12.0.11. This issue allows any authenticated user to inject arbitrary code into the messenger title (aka new_title) field when editing an existing conversation. The payload executes in the browser of any conversation participant with the sidebar shown.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)