Balbooa Forms Extension up to 2.4.3.3 Upload Field getFilePath path traversal

Summaryinfo

A vulnerability labeled as critical has been found in Balbooa Forms Extension up to 2.4.3.3. This affects the function getFilePath of the component Upload Field. Such manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-101126. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Balbooa Forms Extension up to 2.4.3.3 and classified as critical. Affected by this issue is the function getFilePath of the component Upload Field. 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 - balbooa.com - File meta data tampering in Balbooa Forms < 2.4.3.4 - The final form submission processes JSON arrays per upload field, checking only that IDs are numeric. Client-supplied filenames and display names are trusted directly, introducing potential cross-session claiming, metadata tampering, and path traversal risks (e.g., via getFilePath())

This vulnerability is handled as CVE-2026-101126 since 09/28/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/29/2026). The MITRE ATT&CK project declares the attack technique as T1006.

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

• Balbooa

Name

• Forms Extension

Version

• 2.4.3.0
• 2.4.3.1
• 2.4.3.2
• 2.4.3.3

CPE 2.3info

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CPE 2.2info

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