Unrestricted Upload Vulnerability in WonderCMS 3.5.0
CVE-2025-3123

5.1MEDIUM

Key Information:

Vendor

WonderCMS

Status
Wondercms
Vendor
CVE Published:
2 April 2025
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Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-3123?

A security issue has been identified in WonderCMS version 3.5.0 within the 'installUpdateModuleAction' function linked to Theme and Plugin installations. This vulnerability allows for unrestricted file uploads, posing a significant risk of potential exploitation from remote attackers. Although the actual impact remains uncertain, the vendor advises caution, emphasizing that administrators should not install themes or plugins from untrusted sources due to this risk.

Affected Version(s)

WonderCMS 3.5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-3123 - Proof of Concept

References

https://vuldb.com/?id.303014
vdb-entrytechnical-description
https://vuldb.com/?ctiid.303014
signaturepermissions-required
https://vuldb.com/?submit.525101
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

cc1110 (VulDB User)
.
CVE-2025-3123 : Unrestricted Upload Vulnerability in WonderCMS 3.5.0