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Vulnerabilities

Vulnerability · CVE-2026-65884

balbooa gridbox Improper Access Control

Published Jul 29, 2026 · catalog updated Jul 29, 2026 · balbooa.com Gridbox extension for Joomla

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.5%
Remediation
Remediation guidance
Affected products
vendor balbooa.com Gridbox extension for Joomla

Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.

Technical analysis

Mechanism and impact are interpreted from ingested advisories — not independent exploit research.

  • CWE classification

    No CWE identifiers stored yet.

  • Prerequisites and impact

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

How to fix CVE-2026-65884

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-65884 is a unknown public vulnerability record for balbooa.com Gridbox extension for Joomla. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether balbooa.com Gridbox extension for Joomla is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: balbooa.com Gridbox extension for Joomla. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: EPSS 0.5% (30-day exploitation probability). CISA lists it as known exploited. Sources contributing to this record: cve_org, epss, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Related intelligence

  • Exploitation evidence

    Confirmed in CISA KEV since Jul 29, 2026. Listed in CISA KEV and VulnCheck KEV.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 29, 2026 · VulnCheck KEV

    Detected

    Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.

  2. Jul 29, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected versions

Enter an installed version to get a verified affected / not-affected result against the ranges below.

  • vendor balbooa.com Gridbox extension for Joomlaversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-65884

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-65884

    30-day exploitation probability 0.5%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-65884

    Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.