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CVE-2021-31930

MEDIUM
6.1
CVSS Score
Published: May 19, 2021 at 02:06 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
1 product affected across 1 vendorConcerto

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/concerto/concerto/pull/1558
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/concerto/concerto/security/advisories

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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