Vulnerability · Published May 17, 2026 · Assigned by VulDB

CVE-2026-8747Z-BlogPHP Commend Approval c_system_event.php CheckComment improper authorization

Medium 6.3

In plain English

A medium-severity security flaw in Z-BlogPHP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 89.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Affected products (as reported)

Vendor	Product	Versions
n/a	Z-BlogPHP	1.7.4.3430

Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-364334 | Z-BlogPHP Commend Approval c_system_event.php CheckComment improper authorization vdb-entry, technical-description
VDB-364334 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #810027 | ZBlog v1.7.4.3430 authorization flaw third-party-advisory
https://vulnplus-note.wetolink.com/share/31wtzNoJbxKQ exploit