What is CVE-2026-8747?

CVE-2026-8747 is a medium-severity vulnerability in Z-blogphp, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-17.

How severe is CVE-2026-8747?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Z-blogphp

CVE-2026-8747

A weakness has been identified in Z-BlogPHP 1.7.4.3430. This affects the function CheckComment of the file zb_system/function/c_system_event.php of the component Commend Approval Handler. This manipulation causes improper authorization. Th…

EPSS: 0.000 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Z-blogphp — versions 1.7.4.3430

Weakness classification (CWE)

References

cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-8747?: CVE-2026-8747 is a medium-severity vulnerability in Z-blogphp, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-17.
How severe is CVE-2026-8747?: Medium severity. CVSS v3 base score is 6.3 out of 10.