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.
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Meta Information
Published
2026-04-19
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-04-19
EPSS Evaluated
2026-06-15
NVD
CVE-2026-6561
EUVD
EUVD-2026-23686
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
eyoucms eyoucms to 1.7.1 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-434 The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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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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