CVE-2026-102425 Balbooa Forms - Remote Code Execution

Balbooa Forms < 2.4.3.4 contains an unauthenticated remote code execution caused by improper sanitization of field shortcodes in administrator-defined PHP code after public form submission, letting remote attackers execute arbitrary code, exploit requires a public form with PHP-after-submission action using attacker-controlled shortcodes.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to version 2.4.3.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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