CVE-2026-7578 MacCMS Pro Plugin Installation add.html install unrestricted upload
Remote attackers can upload malicious files via the plugin installation handler, potentially leading to code execution on MacCMS Pro systems.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7578?
CVE-2026-7578 is a medium-severity vulnerability in MacCMS Pro, published on 1 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A weakness has been identified in MacCMS Pro up to 2022.1.3. This vulnerability affects the function install of the file /admi.php/admin/addon/add.html of the component Plugin Installation Handler. Executing a manipulation can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-7578?
How do I fix CVE-2026-7578?
No fix has been published for CVE-2026-7578 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7578 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7578 exists.
Sources
Also known as GHSA-84fq-jfjw-frp9.