CVE-2026-103529: Malicious File Upload

Published Oct 12, 2026

Updated

Thelia v2.6.0 permits authenticated administrators to upload and install modules via the ZIP upload function without validating or sandboxing embedded PHP code. An attacker can include malicious PHP code in a module's install() method which will then be executed upon installation, enabling remote code execution with the privileges of the web server.

Affected Software

1 affected component

Thelia Thelia=2.6.0

Event History

Oct 12, 2026

CVE Published

via MITRE·02:55 PM

Data Sourced

via MITRE·02:55 PM

DescriptionWeakness

Data Sourced

via NVD·03:17 PM

Description

Frequently Asked Questions

Who can exploit this issue?

An attacker must be able to authenticate as a Thelia administrator and access the module ZIP upload and installation function.

What level of access can successful code execution obtain?

Malicious PHP in a module's install() method executes with the privileges of the web server.

What must an uploaded module contain to trigger execution?

The uploaded ZIP module can include malicious PHP code in its install() method. That code is executed when the module is installed.

CVE-2026-103529: Malicious File Upload

Affected Software

Event History

Frequently Asked Questions

Who can exploit this issue?

What level of access can successful code execution obtain?

What must an uploaded module contain to trigger execution?

Company

Resources

Contact

Frequently Asked Questions

Who can exploit this issue?

What level of access can successful code execution obtain?

What must an uploaded module contain to trigger execution?