CVE-2021-31930

EUVD-2021-18803
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
Affected Products (NVD)
VendorProductVersion
concerto-signageconcerto
𝑥
≤ 2.3.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/concerto/concerto/pull/1558
https://github.com/concerto/concerto/security/advisories
https://github.com/concerto/concerto/pull/1558
https://github.com/concerto/concerto/security/advisories