CVE-2025-3123

Name: CVE-2025-3123
Creator: NVD / NIST
Published: 2025-04-02T23:15:17.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2025-3123 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

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."

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.51%

39.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wondercms	Wondercms	3.5.0

References

https://github.com/WonderCMS/wondercms/issues/330Exploit, Issue Tracking, Vendor Advisory
https://github.com/WonderCMS/wondercms/issues/330#issue-2940381112Exploit, Issue Tracking, Vendor Advisory
https://github.com/WonderCMS/wondercms/issues/330#issuecomment-2745347770Exploit, Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.303014Permissions Required, VDB Entry
https://vuldb.com/?id.303014Third Party Advisory, VDB Entry
https://vuldb.com/?submit.525101Third Party Advisory, VDB Entry

Timeline

Published: Apr 2, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3123?

How severe is CVE-2025-3123?

CVE-2025-3123 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST