CVE-2026-7043 GreenCMS index.php pluginAddLocal unrestricted upload
Remote attackers can upload malicious files via the pluginAddLocal function in GreenCMS, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7043?
CVE-2026-7043 is a medium-severity vulnerability in GreenCMS, published on 26 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in GreenCMS up to 2.3. This impacts the function pluginAddLocal of the file /index.php?m=admin&c=custom&a=pluginadd. The manipulation leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2026-7043?
How do I fix CVE-2026-7043?
No fix has been published for CVE-2026-7043 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7043 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7043 exists.
Sources
Also known as GHSA-4r63-wc8j-3cf6.