CVE-2023-28731

Public Exploit
Unauthenticated RCE affecting the AcyMailing plugin for Joomla

Description

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.

Remediation

Solution:

  • update to a fixed version (>= 8.3.0)

Workaround:

  • Prevent the execution of PHP files in the thumbnail directory to prevent the injected code from being executed

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 2.07% Top 20%
Third-Party Advisory bugbounty.ch
Affected: AcyMailing Newsletter Plugin for Joomla in the Enterprise version
Published at:
Updated at:

References

Link Tags
https://www.acymailing.com/change-log/ release notes
https://www.bugbounty.ch/advisories/CVE-2023-28731 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-28731?
CVE-2023-28731 has been scored as a critical severity vulnerability.
How to fix CVE-2023-28731?
To fix CVE-2023-28731: update to a fixed version (>= 8.3.0)
Is CVE-2023-28731 being actively exploited in the wild?
It is possible that CVE-2023-28731 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28731?
CVE-2023-28731 affects AcyMailing Newsletter Plugin for Joomla in the Enterprise version.
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