How severe is CVE-2026-66488?

CVE-2026-66488 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-66488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-66488?

CVE-2026-66488 affects Balbooa Gridbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-66488?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-66488 published?

CVE-2026-66488 was published on 2026-07-29 and last updated on 2026-08-05.

CVE-2026-66488

CVE-2026-66488 is a medium-severity vulnerability in Balbooa Gridbox with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Balbooa Gridbox
Published: 2026-07-29
Last modified: 2026-08-05

Description

Joomla Extension - balbooa.com - Payment bypass in Gridbox < 2.20.2

Frequently asked questions

What is CVE-2026-66488?: Joomla Extension - balbooa.com - Payment bypass in Gridbox < 2.20.2
How severe is CVE-2026-66488?: CVE-2026-66488 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-66488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-66488?: CVE-2026-66488 affects Balbooa Gridbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-66488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-66488 published?: CVE-2026-66488 was published on 2026-07-29 and last updated on 2026-08-05.

References

Affected products (1)

cpe:2.3:a:balbooa:gridbox:*:*:*:*:*:joomla\!:*:*

More vulnerabilities in Balbooa Gridbox

CVE-2026-65888 — Critical (CVSS 9.8): Joomla Extension - balbooa.com - Account takeover vulnerability in Gridbox < 2.20.2 - The socialLogin method allows…
CVE-2026-65887 — Critical (CVSS 9.8): Joomla Extension - balbooa.com - Unauthenticated arbitrary password reset in Gridbox < 2.20.2 - The resetPassword…
CVE-2026-65890 — Critical (CVSS 9.8): Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.2 - Multiple SQLi vectors allow…
CVE-2026-65884 — Critical (CVSS 9.8): Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users…
CVE-2026-65885 — High (CVSS 8.8): Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows…
CVE-2026-65886 — High (CVSS 7.5): Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2 - The photo viewer allows…

All CVEs affecting Balbooa Gridbox →

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-16346 — Critical (CVSS 9.9): IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary commands…
CVE-2026-85878 — Critical (CVSS 9.9): Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a…

Browse all CWE-285 (Improper Authorization) vulnerabilities →