CVE-2026-59079
Received Received - Intake

Avatar File Upload Bypass in Edito CMS

Publication date: 2026-11-13

Last updated on: 2026-11-13

Assigner: CERT.PL

Description
Edito CMS restricts the ability to upload files via the UI to specific file types. However, an avatar upload functionality allows an attacker to upload files of any type and extension without restriction. This issue was fixed in version 5.10.2607.  Hotfixes for older versions (5.8) have also been released.

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Meta Information

Published
2026-11-13
Last Modified
2026-11-13
Generated
2026-11-13
AI Q&A
2026-11-13
EPSS Evaluated
N/A
NVD
CVE-2026-59079
EUVD
EUVD-2026-124881

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Edito Edito CMS From 0 (inc) to 5.10.2607 (exc)

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.

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Executive Summary

Edito CMS restricts file uploads via the UI to specific types but has an avatar upload feature that allows uploading files of any type without restriction. This bypasses the intended security controls.

Detection Guidance

Check for unexpected file uploads in avatar or profile picture sections. Inspect uploaded files for unusual extensions or content. Verify if Edito CMS version is below 5.10.2607 or if hotfixes for 5.8 are missing.

Impact Analysis

An attacker could upload malicious files via the avatar feature, potentially leading to remote code execution, data theft, or system compromise. This could affect the integrity and availability of the CMS.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR's data protection requirements and HIPAA's security rules for protected health information.

Mitigation Strategies

Upgrade Edito CMS to version 5.10.2607 or apply hotfixes for version 5.8. Disable avatar upload functionality if not required. Implement strict file type restrictions and server-side validation for all uploads.

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