CVE-2022-39220: XSS Vulnerabilities in WebClient

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-20 · updated 2026-06-17
Weakness: CWE-79

Description

SFTPGo is an SFTP server written in Go. Versions prior to 2.3.5 are subject to Cross-site scripting (XSS) vulnerabilities in the SFTPGo WebClient, allowing remote attackers to inject malicious code. This issue is patched in version 2.3.5. No known workarounds exist.

Affected products

drakkan sftpgo: before 2.3.5 — fixed in 2.3.5

How to fix

Upgrade to a fixed version: drakkan sftpgo 2.3.5. Check the vendor advisory for mitigations.

References

https://github.com/drakkan/sftpgo/security/advisories/GHSA-cf7g-cm7q-rq7f
https://github.com/drakkan/sftpgo/security/advisories/GHSA-cf7g-cm7q-rq7f

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