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TI-2025-02728 Aliases CVE-2025-3123GHSA-p9vw-vmhm-c984

WonderCMS Theme Installation/Plugin Installation installUpdateModuleAction unrestricted upload

Priority MEDIUM 56CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00589 48th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—WonderCMS3.5.0—No fix listedCNA
  • WonderCMS Vendor— Affected 3.5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wondercms:wondercms:3.5.0:*:*:*:*:*:*:*3.5.0VulnerableWonderCMS
  • cpe:2.3:a:wondercms:wondercms:3.5.0:*:*:*:*:*:*:* Versions 3.5.0 Vulnerable ·WonderCMS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-3123
  2. 2026-10-03 Alias added: GHSA-p9vw-vmhm-c984

References

Exploit 3

  • TI-2024-21288 A cross-site scripting (XSS) vulnerability in the Settings section of WonderCMS v3.4.3… CVSS 3.1CRITICAL 9.6
  • TI-2024-18303 A Server-Side Request Forgery (SSRF) in the installUpdateThemePluginAction function of… CVSS 3.1CRITICAL 9.1
  • TI-2020-17938 A server-side request forgery (SSRF) vulnerability in the addCustomThemePluginRepository… CVSS 3.1CRITICAL 9.8
  • TI-2025-35425 WonderCMS 3.5.0 is vulnerable to Server-Side Request Forgery (SSRF) in the custom module… CVSS 3.1MEDIUM 6.5
  • TI-2024-27571 A Server-Side Request Forgery (SSRF) in the Plugins Page of WonderCMS v3.4.3 allows… CVSS 3.1HIGH 7.1
  • TI-2020-17939 A remote code execution vulnerability in the installUpdateThemePluginAction function in… CVSS 3.1CRITICAL 9.8
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences