SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-27735

An XSS issue was discovered in Wing FTP 6.4.4.

MEDIUM 6.1EPSS 5.76%

Does this matter?

Lower severity and a low EPSS score (5.76%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
5.76% probability · 93th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
wftpserver/wing ftp server
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 5.76%26 October 202626 October 2026

EPSS 5.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.