CVE-2025-3123 WonderCMS Theme Installation/Plugin Installation installUpdateModuleAction unrestricted upload
WonderCMS allows unrestricted file upload via theme or plugin installation, potentially enabling remote code execution for attackers with admin access.
- 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-2025-3123?
CVE-2025-3123 is a medium-severity vulnerability in WonderCMS, published on 2 Apr 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability, which was classified as critical, has been found in WonderCMS 3.5.0. Affected by this issue is the function installUpdateModuleAction of the component Theme Installation/Plugin Installation. The manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor explains, that "[t]he philosophy has always been, admin [...] bear responsibility to not install themes/plugins from untrusted sources."
Which versions are affected by CVE-2025-3123?
It affects 1 product.
Products include Wondercms Wondercms.
How do I fix CVE-2025-3123?
No fix has been published for CVE-2025-3123 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3123 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3123 exists.
Other vulnerabilities in WonderCMS
Sources
Also known as GHSA-p9vw-vmhm-c984.