CVE-2023-28731

Name: CVE-2023-28731
Creator: NVD / NIST
Published: 2023-03-30T12:15:07.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.78%

Last modified Jun 17, 2026

CVE-2023-28731 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.78% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.78%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Acymailing	Acymailing	< 8.3.0

References

https://www.acymailing.com/change-log/Release Notes
https://www.bugbounty.ch/advisories/CVE-2023-28731Exploit, Third Party Advisory
https://www.acymailing.com/change-log/Release Notes
https://www.bugbounty.ch/advisories/CVE-2023-28731Exploit, Third Party Advisory

Timeline

Published: Mar 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28731?

How severe is CVE-2023-28731?

CVE-2023-28731 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28731?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28731?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST