CVE-2026-67364: CWE-94 Improper Control of Generation of Code ('Code Injection') in balbooa.com Balbooa Forms extension for Joomla
Joomla Extension - balbooa.com - Pre-auth PHP Code Injection in Balbooa Forms < 2.4.3.2 - The form's optional custom-PHP post-submission handler is executed via eval(). The [URL parameter = X] shortcode is substituted with the raw, unescaped value of a query parameter, letting an unauthenticated attacker inject arbitrary PHP that executes server-side. The CSRF token needed to reach the endpoint is itself disclosed anonymously via a separate task, so it provides no real protection. Exploitability requires the form to have a custom-PHP handler configured (a documented builder feature) referencing that shortcode, and no reCAPTCHA on the submit button.
AI Analysis
Technical Summary
The Balbooa Forms extension for Joomla prior to version 2.4.3.2 contains a critical code injection vulnerability (CWE-94) due to improper control of code generation. The vulnerability occurs because the form's custom PHP post-submission handler executes code via eval() on a shortcode that substitutes the raw value of a query parameter without escaping. This allows an unauthenticated attacker to inject and execute arbitrary PHP code server-side. The CSRF token protection is ineffective because it is disclosed anonymously. Successful exploitation requires the form to be configured with a custom PHP handler referencing the vulnerable shortcode and lacking reCAPTCHA protection on the submit button.
Potential Impact
An unauthenticated attacker can execute arbitrary PHP code on the server hosting the vulnerable Balbooa Forms extension, leading to full server compromise. This can result in data theft, server control, and further attacks within the hosting environment. The vulnerability has a CVSS 4.0 score of 10.0 (critical), indicating maximum impact with no required privileges or user interaction.
Mitigation Recommendations
A fix is available in Balbooa Forms version 2.4.3.2. Users should upgrade to version 2.4.3.2 or later to remediate this vulnerability. Until patched, ensure that forms do not use custom PHP post-submission handlers referencing the vulnerable shortcode and implement reCAPTCHA on submit buttons to reduce risk. Verify the vendor advisory for the latest remediation guidance.
CVE-2026-67364: CWE-94 Improper Control of Generation of Code ('Code Injection') in balbooa.com Balbooa Forms extension for Joomla
Description
Joomla Extension - balbooa.com - Pre-auth PHP Code Injection in Balbooa Forms < 2.4.3.2 - The form's optional custom-PHP post-submission handler is executed via eval(). The [URL parameter = X] shortcode is substituted with the raw, unescaped value of a query parameter, letting an unauthenticated attacker inject arbitrary PHP that executes server-side. The CSRF token needed to reach the endpoint is itself disclosed anonymously via a separate task, so it provides no real protection. Exploitability requires the form to have a custom-PHP handler configured (a documented builder feature) referencing that shortcode, and no reCAPTCHA on the submit button.
CVSS v4.0
Score 10.0critical
Affected software
balbooa.com
Balbooa Forms extension for Joomla
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Balbooa Forms extension for Joomla prior to version 2.4.3.2 contains a critical code injection vulnerability (CWE-94) due to improper control of code generation. The vulnerability occurs because the form's custom PHP post-submission handler executes code via eval() on a shortcode that substitutes the raw value of a query parameter without escaping. This allows an unauthenticated attacker to inject and execute arbitrary PHP code server-side. The CSRF token protection is ineffective because it is disclosed anonymously. Successful exploitation requires the form to be configured with a custom PHP handler referencing the vulnerable shortcode and lacking reCAPTCHA protection on the submit button.
Potential Impact
An unauthenticated attacker can execute arbitrary PHP code on the server hosting the vulnerable Balbooa Forms extension, leading to full server compromise. This can result in data theft, server control, and further attacks within the hosting environment. The vulnerability has a CVSS 4.0 score of 10.0 (critical), indicating maximum impact with no required privileges or user interaction.
Mitigation Recommendations
A fix is available in Balbooa Forms version 2.4.3.2. Users should upgrade to version 2.4.3.2 or later to remediate this vulnerability. Until patched, ensure that forms do not use custom PHP post-submission handlers referencing the vulnerable shortcode and implement reCAPTCHA on submit buttons to reduce risk. Verify the vendor advisory for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-07-29T14:01:47.235Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a85ae26acd9273b491d08cb
Added to database: 08/19/2026, 13:22:46 UTC
Last enriched: 09/29/2026, 17:33:24 UTC
Last updated: 10/04/2026, 02:46:06 UTC
Views: 189
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