CVE-2022-27665: Reflected XSS (via AngularJS sandbox escape expressions) exists in Progress Ipswitch WS_FTP Server 8.6.0

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MEDIUM 6.1DOWNGRADE

CVE-2022-27665 is a medium-severity flaw (CVSS 6.1) affecting ws ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Reflected XSS (via AngularJS sandbox escape expressions) exists in Progress Ipswitch WS_FTP Server 8.6.0. This can lead to execution of malicious code and commands on the client due to improper handling of user-provided input. By inputting malicious payloads in the subdirectory searchbar or Add folder filename boxes, it is possible to execute client-side commands. For example, there is Client-Side Template Injection via subFolderPath to the ThinC

Why this priority

EPSS top 2%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	33.1% (top 2%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: progress

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-03 14:15 UTCPublished CVE record published
2026-06-17 04:37 UTCUpdated Record last modified

progress ws ftp server DOWNGRADE

Affected: 8.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.6.0

1. Check installed version

apt-cache policy ws-ftp-server || rpm -q ws-ftp-server || ws-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 8.6.0 (Debian / Ubuntu)

apt-cache madison ws-ftp-server sudo apt install ws-ftp-server=<VERSION_BEFORE_8.6.0> sudo apt-mark hold ws-ftp-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ws-ftp-server sudo dnf downgrade ws-ftp-server-<VERSION_BEFORE_8.6.0> sudo dnf versionlock add ws-ftp-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-27665?

ws ftp server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-27665 being exploited?

CVE-2022-27665 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-27665 affect?

CVE-2022-27665 affects ws ftp server. Severity is medium (CVSS 6.1). Reflected XSS (via AngularJS sandbox escape expressions) exists in Progress Ipswitch WS_FTP Server 8.6.0. This can lead to execution of malicious code and commands on the client due to improper handling of user-provided input. By inputting

How urgent is CVE-2022-27665?

Priority 51/100. EPSS top 2%: very likely to be exploited; Public exploit reference

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CVE-2023-42657 CRITICAL 9.9 UPGRADE In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered. An

References

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