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CVE-2026-7103— code-projects Chat System MD5 Hash update_user.php weak hash

Quick assessment

Affected
code-projects Chat 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.

Code-Projects Chat System是Code-Projects开源的一个聊天系统。 code-projects Chat System 1.0版本存在加密问题漏洞，该漏洞源于MD5 Hash Handler组件update_user.php文件中参数Password导致使用弱哈希，可能导致远程攻击。

CVSS 3.7 · Low EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7103

Vulnerability Information
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Vulnerability Title
code-projects Chat System MD5 Hash update_user.php weak hash
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in code-projects Chat System 1.0. Affected is an unknown function of the file update_user.php of the component MD5 Hash Handler. This manipulation of the argument Password causes use of weak hash. The attack is possible to be carried out remotely. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
可逆的单向哈希
Source: CVE Program / CVE List V5
Vulnerability Title
Code-Projects Chat System 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Code-Projects Chat System是Code-Projects开源的一个聊天系统。 code-projects Chat System 1.0版本存在加密问题漏洞，该漏洞源于MD5 Hash Handler组件update_user.php文件中参数Password导致使用弱哈希，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
code-projects Chat System 1.0 cpe:2.3:a:code-projects:chat_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7103

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III. Intelligence Information for CVE-2026-7103

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Vendor Advisories for CVE-2026-7103 (1)

Proof of Concept for CVE-2026-7103 (1)

Same Patch Batch · code-projects · 2026-04-27 · 21 CVEs total

CVE-2026-7070 7.3 HIGH code-projects Inventory Management System Login sql injection
CVE-2026-7131 7.3 HIGH code-projects Online Lot Reservation System loginuser.php sql injection
CVE-2026-7091 6.3 MEDIUM code-projects Invoice System in Laravel User Management user improper authorization
CVE-2026-7092 6.3 MEDIUM code-projects Invoice System in Laravel Profile profile improper authorization
CVE-2026-7093 6.3 MEDIUM code-projects Invoice System in Laravel Invoice Endpoint invoice improper authorization
CVE-2026-7107 6.3 MEDIUM code-projects Invoice System in Laravel company unrestricted upload
CVE-2026-7114 6.3 MEDIUM code-projects Employee Management System edit.php sql injection
CVE-2026-7115 6.3 MEDIUM code-projects Employee Management System delete.php sql injection
CVE-2026-7118 6.3 MEDIUM code-projects Employee Management System cancel.php sql injection
CVE-2026-7117 6.3 MEDIUM code-projects Employee Management System approve.php sql injection
CVE-2026-7132 5.3 MEDIUM code-projects Online Lot Reservation System download.php readfile path traversal
CVE-2026-7109 5.3 MEDIUM code-projects Invoice System in Laravel API Endpoint item improper authorization
CVE-2026-7134 4.7 MEDIUM code-projects Online Lot Reservation System edithousepic.php unrestricted upload
CVE-2026-7133 4.7 MEDIUM code-projects Online Lot Reservation System activity.php unrestricted upload
CVE-2026-7089 4.3 MEDIUM code-projects Home Service System Appointment Booking booking.php cross site scripting
CVE-2026-7116 4.3 MEDIUM code-projects Employee Management System mark.php cross site scripting
CVE-2026-7108 4.3 MEDIUM code-projects Invoice System in Laravel cross-site request forgery
CVE-2026-7095 4.3 MEDIUM code-projects Employee Management System edit.php cross site scripting
CVE-2026-7110 3.5 LOW code-projects Invoice System in Laravel item cross site scripting
CVE-2026-7090 2.4 LOW code-projects Chat System send_message.php cross site scripting

IV. Related Vulnerabilities

Same product: Chat System
Same vendor: code-projects
Same weakness: CWE-328

V. Comments for CVE-2026-7103

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