MidnightBSD

Advisories for concerto-signage

CVE-2021-31930 MEDIUM

Persistent cross-site scripting (XSS) in the web interface of Concerto through 2.3.6 allows an unauthenticated remote attacker to introduce arbitrary JavaScript by injecting an XSS payload into the First Name or Last Name parameter upon registration. When a privileged user attempts to delete the account, the XSS payload will be executed.

CVSS 3.x

Source Score Severity Vector Exploitability Impact
nvd@nist.gov 6.1 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 2.8 2.7

CVSS 2.0

Severity: MEDIUM

Problem Type: CWE-79,

Products Affected

Vendor Product Version
concerto-signage concerto *