# CVE-2023-39972: Extension - acymailing.com - Improper Access Control in AcyMailing Enterprise component for Joomla 6.7.0-8.6.3

Status: published. Published: 2023-08-17. Updated: 2026-11-12.

Improper Access Control vulnerability in AcyMailing Enterprise component for Joomla. It allows unauthorized users to create new mailing lists.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Datasolution / AcyMailing Enterprise component for Joomla (com_acymailing): 6.7.0-8.6.3 (affected). Source: CNA: Joomla

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 0.40% as of 2026-11-12; percentile 34.47%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-284

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://extensions.joomla.org/extension/acymailing-starter/ (CNA: Joomla; product)

- https://www.acymailing.com/acymailing-release-security-%F0%9F%94%90-news-updates/ (CNA: Joomla; vendor-advisory)

- https://extensions.joomla.org/extension/acymailing-starter/ (ADP: CVE; product, x_transferred)

- https://www.acymailing.com/acymailing-release-security-%F0%9F%94%90-news-updates/ (ADP: CVE; vendor-advisory, x_transferred)

## Provenance

- CNA: Joomla: https://www.cve.org/CVERecord?id=CVE-2023-39972; retrieved 2026-11-12; source updated 2026-11-12

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-39972; retrieved 2026-11-12; source updated Not reported

Revision: 89687930372e3a6e94359656451515c34782a6ea3df659975d2e0137d0aebf39

Canonical: https://y2.dev/cve/CVE-2023-39972

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.