CVE-2025-3123

Public Exploit
WonderCMS Theme Installation/Plugin Installation installUpdateModuleAction unrestricted upload

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."

Categories

5.1
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory github.com
Affected: n/a WonderCMS
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.303014 technical description third party advisory vdb entry
https://vuldb.com/?ctiid.303014 signature vdb entry permissions required
https://vuldb.com/?submit.525101 third party advisory vdb entry
https://github.com/WonderCMS/wondercms/issues/330 vendor advisory issue tracking exploit
https://github.com/WonderCMS/wondercms/issues/330#issuecomment-2745347770 vendor advisory issue tracking exploit
https://github.com/WonderCMS/wondercms/issues/330#issue-2940381112 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-3123?
CVE-2025-3123 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3123?
To fix CVE-2025-3123, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3123 being actively exploited in the wild?
It is possible that CVE-2025-3123 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3123?
CVE-2025-3123 affects n/a WonderCMS.
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