Unauthenticated PHP execution via eval shortcode injection
Published Aug 19, 2026 · Updated Aug 21, 2026
Code injection in Balbooa Joomla Forms before 2.4.3.2 allows remote attackers to execute server-side PHP via crafted URL parameters. The optional post-submission PHP script is run through eval(), and the [URL parameter = X] shortcode inserts the named query parameter into that script without escaping or validation before execution. Exploitation is pre-authentication, but it is reachable only on forms that enable a custom PHP handler using that shortcode and do not protect submission with reCAPTCHA.
Summary
What happened
Code injection in Balbooa Joomla Forms before 2.4.3.2 allows remote attackers to execute server-side PHP via crafted URL parameters. The optional post-submission PHP script is run through eval(), and the [URL parameter = X] shortcode inserts the named query parameter into that script without escaping or validation before execution. Exploitation is pre-authentication, but it is reachable only on forms that enable a custom PHP handler using that shortcode and do not protect submission with reCAPTCHA.
The record
- CVE
- CVE-2026-67364
- Published
- Aug 19, 2026
- Updated
- Aug 21, 2026
- Vendor
- Balbooa
- Product
- Balbooa Joomla Forms
- Classifications
- CWE-94, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 19, 2026CVE publishedPublication date reported by the CVE source.
- Aug 21, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.0-2.4.3.1
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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