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CVE-2026-5330— SourceCodester/mayuri_k Best Courier Management System User Delete ajax.php access control

Quick assessment

Affected
SourceCodester Best Courier Management System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SourceCodester Best Courier Management System是SourceCodester开源的一个快递管理系统。 SourceCodester Best Courier Management System 1.0版本存在访问控制错误漏洞，该漏洞源于组件User Delete Handler的文件/ajax.php?action=delete_user中对参数ID的操作存在访问控制不当，可能导致远程攻击。

CVSS 6.5 · Medium EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1136.001 · Local Account
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I. Basic Information for CVE-2026-5330

Vulnerability Information
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Vulnerability Title
SourceCodester/mayuri_k Best Courier Management System User Delete ajax.php access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in SourceCodester/mayuri_k Best Courier Management System 1.0. Affected by this issue is some unknown functionality of the file /ajax.php?action=delete_user of the component User Delete Handler. Performing a manipulation of the argument ID results in improper access controls. The attack may be initiated remotely. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SourceCodester Best Courier Management System 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester Best Courier Management System是SourceCodester开源的一个快递管理系统。 SourceCodester Best Courier Management System 1.0版本存在访问控制错误漏洞，该漏洞源于组件User Delete Handler的文件/ajax.php?action=delete_user中对参数ID的操作存在访问控制不当，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SourceCodester Best Courier Management System 1.0 -
mayuri_k Best Courier Management System 1.0 -

II. Public POCs for CVE-2026-5330

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III. Intelligence Information for CVE-2026-5330

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Vendor Advisories for CVE-2026-5330 (2)

Proof of Concept for CVE-2026-5330 (1)

Same Patch Batch · SourceCodester · 2026-04-02 · 3 CVEs total

CVE-2026-5326 5.3 MEDIUM SourceCodester Leave Application System User Information index.php authorization
CVE-2026-5325 3.5 LOW SourceCodester Simple Customer Relationship Management System Create Ticket create-ticket.

IV. Related Vulnerabilities

Same product: Best Courier Management System
Same vendor: SourceCodester
Same weakness: CWE-284

V. Comments for CVE-2026-5330

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