CVE-2025-48106 CRITICAL

CVE-2025-48106: WordPress Clanora theme < 1.3.1 - Arbitrary File Upload vulnerability

Vendor Cmssuperheroes
Product Clanora
Weakness CWE-434 · Unrestricted file upload
Published October 22, 2025
Last update April 28, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in CMSSuperHeroes Clanora clanora allows Using Malicious Files.This issue affects Clanora: from n/a through < 1.3.1.

Explanation of Vulnerability in Simple Terms

02Summary

Clanora versions 1.3.1 and earlier allow unauthenticated attackers to upload files without restriction. An attacker can upload malicious files to the server over the network without needing credentials or user interaction. This can lead to remote code execution, data theft, or site takeover depending on where uploaded files are stored and executed.

What an attacker can do

03Attacker Capabilities

Upload malicious files to the server and potentially execute code or compromise the site.

Potential impact on your site

04Site Impact

Attackers can upload and execute malicious code, steal data, or take over the site without any credentials.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated