What’s Vulnerable › Vulnerabilities

CVE-2020-27735

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-26 · updated 2026-06-17
• Weakness: CWE-79

Description

An XSS issue was discovered in Wing FTP 6.4.4. An arbitrary IFRAME element can be included in the help pages via a crafted link, leading to the execution of (sandboxed) arbitrary HTML and JavaScript in the user's browser.

Affected products

• Wing FTP Server: 6.4.4

References

• https://wshenk.blogspot.com/2021/01/xss-in-wing-ftps-web-interface-cve-2020.html
• https://www.wftpserver.com/serverhistory.htm
• https://wshenk.blogspot.com/2021/01/xss-in-wing-ftps-web-interface-cve-2020.html
• https://www.wftpserver.com/serverhistory.htm

Get alerted when CVE-2020-27735 or the next vulnerability affects your stack