Unrestricted file upload in acymailing.com AcyMailing Enterprise extension for Joomla
Priority MEDIUM 43CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Joomla Extension - acymailing.com - Remote Code Execution vulnerability in mailbox action feature in AcyMailing Enterprise extension < 11.1.0 - MIME parts of incoming emails were saved to media/com_acym/upload/ with no extension check, so anyone who could email the monitored mailbox could write a PHP file into the web root.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0047 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| acymailing.com | AcyMailing Enterprise extension for Joomla | 6.0.0-11.0.5 | — | No fix listed | CNA |
- AcyMailing Enterprise extension for Joomla Vendoracymailing.com Affected 6.0.0-11.0.5 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:acymailing:acymailing:*:*:*:*:enterprise:joomla\!:*:* | before 11.1.0 | Vulnerable | acymailing.com |
- cpe:2.3:a:acymailing:acymailing:*:*:*:*:enterprise:joomla\!:*:* Versions before 11.1.0 Vulnerable ·acymailing.com
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-94132
- 2026-10-03 Alias added: GHSA-x2ch-94w5-cr2g
- 2026-10-21 CVSS score added · NVD
References
Other 1
More acymailing.com Acymailing vulnerabilities
- TI-2023-13245 Unauthenticated RCE affecting the AcyMailing plugin for Joomla CVSS 3.1CRITICAL 9.8
- TI-2026-40657 SQL injection in acymailing.com AcyMailing extension for Joomla CVSS 4.0CRITICAL 9.2
- TI-2024-06844 AcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive Function CVSS 3.1HIGH 8.8
- TI-2023-13246 Missing access control affecting the AcyMailing plugin for Joomla CVSS 3.1HIGH 7.5
- TI-2023-13247 Stored XSS affecting the AcyMailing plugin for Joomla CVSS 3.1HIGH 7.2
- TI-2026-63342 SQL injection in acymailing.com AcyMailing extension for Joomla CVSS 4.0HIGH 8.3
Sources
- CVE-2026-94132 · CVE Program
- CVE-2026-94132 · NVD
- FIRST EPSS
- GHSA-x2ch-94w5-cr2g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences