YOOtheme Pro Extension up to 5.0.52 Image Transformation path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in YOOtheme Pro Extension up to 5.0.52. Affected by this issue is some unknown functionality of the component Image Transformation Handler. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2026-102785. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in YOOtheme Pro Extension up to 5.0.52. It has been rated as critical. Affected by this issue is some unknown functionality of the component Image Transformation Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Joomla Extension - yootheme.com - Unauthenticated remote code execution in YOOtheme Pro 5.0.0-5.0.52 - YOOtheme Pro’s publicly accessible image transformation handler incompletely binds normalized image operations and the output destination to its request signature. An unauthenticated remote attacker can reuse a signature disclosed in a legitimate public image URL, inject additional image operations, traverse out of the intended cache directory, and write an attacker-controlled PNG/PHP polyglot to an executable public media directory.

The advisory is available at yootheme.com. This vulnerability is handled as CVE-2026-102785 since 09/29/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/22/2026). This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

It is declared as attacked.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• YOOtheme

Name

• Pro Extension

Version

• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.0.9
• 5.0.10
• 5.0.11
• 5.0.12
• 5.0.13
• 5.0.14
• 5.0.15
• 5.0.16
• 5.0.17
• 5.0.18
• 5.0.19
• 5.0.20
• 5.0.21
• 5.0.22
• 5.0.23
• 5.0.24
• 5.0.25
• 5.0.26
• 5.0.27
• 5.0.28
• 5.0.29
• 5.0.30
• 5.0.31
• 5.0.32
• 5.0.33
• 5.0.34
• 5.0.35
• 5.0.36
• 5.0.37
• 5.0.38
• 5.0.39
• 5.0.40
• 5.0.41
• 5.0.42
• 5.0.43
• 5.0.44
• 5.0.45
• 5.0.46
• 5.0.47
• 5.0.48
• 5.0.49
• 5.0.50
• 5.0.51
• 5.0.52

CPE 2.3info

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