CVE-2023-28731: Acymailing

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

AnyMailing Joomla Plugin is vulnerable to unauthenticated remote code execution, when being granted access to the campaign's creation on front-office due to unrestricted file upload allowing PHP code to be injected. This issue affects AnyMailing Joomla Plugin Enterprise in versions below 8.3.0.

Affected products

• Acymailing Acymailing: before 8.3.0 (fixed in 8.3.0)

Published 2023-03-30. Last modified 2026-06-17.