XSS in Wftpserver Wing_ftp_server
CVE-2020-27735
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.056 (92.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Wftpserver Wing_ftp_server — versions 6.4.4
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-27735?
- CVE-2020-27735 is a medium-severity vulnerability in Wftpserver Wing_ftp_server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-26.
- How severe is CVE-2020-27735?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-27735 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.