Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
6.1
MEDIUM
EPSS Probability:0.92%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| concerto-signage | concerto | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.921%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-04-30T00:00:00 |
| Published | 2021-05-19T14:06:57 |
| Last Updated | 2024-08-03T23:10:31 |
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