CVE-2021-31930

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/concerto/concerto/security/advisories third party advisory
https://github.com/concerto/concerto/pull/1558 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-31930?
CVE-2021-31930 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31930?
To fix CVE-2021-31930, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31930 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31930 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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