Balbooa Forms Extension 1.0.0-2.4.3.3 Shortcode eval code injection

Summaryinfo

A vulnerability was found in Balbooa Forms Extension 1.0.0-2.4.3.3. It has been classified as critical. This affects the function eval of the component Shortcode Handler. Performing a manipulation results in code injection. This vulnerability is reported as CVE-2026-102425. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Balbooa Forms Extension 1.0.0-2.4.3.3. This affects the function eval of the component Shortcode Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Joomla Extension - balbooa.com - Unauthenticated RCE via field shortcode injection in Balbooa Forms < 2.4.3.4 - Balbooa Forms supports administrator-defined PHP code which runs after a public form submission. The feature also supports form-field shortcodes inside that PHP. Before calling `eval()`, the component replaces each shortcode with the raw value submitted by the visitor, leading to an RCE vector. A public form must use the product's optional PHP-after-submission action and interpolate an attacker-controlled field shortcode inside a double-quoted PHP string to be vulnerable.

This vulnerability is uniquely identified as CVE-2026-102425 since 09/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/29/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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

• 1.0.0-2.4.3.3

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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