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CVE-2026-8747: Improper Authorization in Z-BlogPHP

0
Medium
VulnerabilityCVE-2026-8747cvecve-2026-8747
Published: Sun May 17 2026 (05/17/2026, 10:30:13 UTC)
Source: CVE Database V5
Product: Z-BlogPHP

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/17/2026, 11:06:36 UTC

Technical Analysis

This vulnerability in Z-BlogPHP 1.7.4.3430 involves improper authorization in the CheckComment function located in zb_system/function/c_system_event.php within the Commend Approval Handler component. The flaw allows an attacker with low privileges to remotely manipulate comment approval processes without proper authorization. The CVSS 4.0 base score is 5.3, indicating medium severity, with network attack vector, low attack complexity, no user interaction, and limited impact on confidentiality, integrity, and availability. No official fix or patch has been disclosed as of the publication date.

Potential Impact

An attacker with low privileges can remotely exploit this vulnerability to bypass authorization controls in the comment approval process of Z-BlogPHP 1.7.4.3430. This could lead to unauthorized comment approvals or manipulations, potentially affecting the integrity of the blog content. The impact on confidentiality and availability is limited. There are no confirmed active exploits in the wild at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from the Z-BlogPHP vendor. Consider restricting access to comment approval functions to trusted users only and apply any available access control workarounds.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-05-16T12:48:23.909Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a099dbaec166c07b0bb5c47

Added to database: 5/17/2026, 10:51:38 AM

Last enriched: 5/17/2026, 11:06:36 AM

Last updated: 5/17/2026, 12:02:33 PM

Views: 5

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