CVE-2026-102789: Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 -
CVE-2026-102789 is a critical-severity flaw (CVSS 9.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 - EditorController::getBlogPosts() reads the order parameter and invokes getBlogPosts() . Unlike other tasks in this controller, it omits the GridboxHelper::checkUserEditLevel() check.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.3 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-284 |
| Published | 2026-10-27 |
| Last modified | 2026-10-27 |
Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- Vulners Bulletins: CVE-2026-102789 Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 2026-10-27
- Vulners Bulletins: CVE-2026-102789 Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 2026-10-27
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-102789?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-102789 being exploited?
CVE-2026-102789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-102789 affect?
CVE-2026-102789 affects affected software. Severity is critical (CVSS 9.3). Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 - EditorController::getBlogPosts() reads the order parameter and invokes getBlogPosts() . Unlike other tasks in this controller, it
How urgent is CVE-2026-102789?
Priority 38/100. Critical severity; Remotely exploitable, no login, no user action