Vulnerability Details : CVE-2021-31930
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-31930
- cpe:2.3:a:concerto-signage:concerto:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31930
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31930
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
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
|
NIST |
CWE ids for CVE-2021-31930
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-31930
-
https://github.com/concerto/concerto/pull/1558
Sanitize keys before confirmation modal. by bamnet · Pull Request #1558 · concerto/concerto · GitHubThird Party Advisory
-
https://github.com/concerto/concerto/security/advisories
Security Advisories · concerto/concerto · GitHubThird Party Advisory
Jump to