CVE-2026-6561

Received Received - Intake

Unrestricted File Upload in EyouCMS edit_adminlogo Function

Publication date: 2026-04-19

Last updated on: 2026-04-29

Assigner: VulDB

Description

A vulnerability was detected in EyouCMS up to 1.7.1. This issue affects the function edit_adminlogo of the file application/admin/controller/Index.php. Performing a manipulation of the argument filename results in unrestricted upload. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-04-19

Last Modified

2026-04-29

Generated

2026-07-06

AI Q&A

2026-04-19

EPSS Evaluated

2026-07-05

NVD

CVE-2026-6561

EUVD

EUVD-2026-23686

Affected Vendors & Products

Vendor	Product	Version / Range
eyoucms	eyoucms	to 1.7.1 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-434	The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

Executive Summary

This vulnerability exists in EyouCMS up to version 1.7.1, specifically in the function edit_adminlogo within the file application/admin/controller/Index.php.

It allows an attacker to manipulate the filename argument to perform an unrestricted file upload.

The attack can be carried out remotely, and the exploit is publicly available.

The vendor was contacted about this issue but did not respond.

Impact Analysis

An attacker exploiting this vulnerability can upload arbitrary files to the affected system without restriction.

This could lead to unauthorized code execution, system compromise, or further attacks on the infrastructure.

Since the exploit is public and the attack can be performed remotely, the risk of exploitation is significant.

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