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Description

The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

PUBLISHED Reserved 2026-06-20 | Published 2026-07-09 | Updated 2026-07-10 | Assigner Joomla




CRITICAL: 10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red

CISA Known Exploited Vulnerability

Date added 2026-07-10 | Due date 2026-07-13

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Problem types

CWE-434: Unrestricted Upload of File with Dangerous Type

Product status

Default status
unaffected

1.0-2.4.0
affected

Credits

Phil Taylor finder

References

www.cisa.gov/...erabilities-catalog?field_cve=CVE-2026-56291 government-resource

www.balbooa.com/joomla-forms product

mysites.guru/...booa-forms-unauthenticated-file-upload-flaw/ third-party-advisory

cve.org (CVE-2026-56291)

nvd.nist.gov (CVE-2026-56291)

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