Is CVE-2023-28731 actively exploited?

No active exploitation of CVE-2023-28731 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-28731 be exploited remotely?

Yes. CVE-2023-28731 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-28731?

CVE-2023-28731 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-28731

CWE-20Published: March 30, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

The AnyMailing Joomla Plugin contains an unrestricted file upload vulnerability that allows unauthenticated remote code execution. Attackers can inject PHP code through the campaign creation feature. The 9.8 CVSS score indicates a high risk of total site compromise.

No public exploit is known, and it is not in the KEV catalog. It is remotely exploitable with low complexity.

Recommended Action

Update the AnyMailing Joomla Plugin to version 8.3.0 or higher. Disable file upload features if they are not required for business operations.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-28731 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.