CVE-2023-4650— Improper Access Control in instantsoft/icms2
Quick assessment
Affected
instantsoft instantsoft/icms2
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.
iCMS是一个应用软件。一套采用 PHP 和 MySQL 构建的高效简洁的内容管理系统。 iCMS 2.16.1 之前版本存在访问控制错误漏洞，该漏洞源于管理员帐户管理功能存在访问控制不正确。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1078 · Valid Accounts
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I. Basic Information for CVE-2023-4650
Vulnerability Information
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Vulnerability Title
Improper Access Control in instantsoft/icms2
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Access Control in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
iCMS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
iCMS是一个应用软件。一套采用 PHP 和 MySQL 构建的高效简洁的内容管理系统。 iCMS 2.16.1 之前版本存在访问控制错误漏洞，该漏洞源于管理员帐户管理功能存在访问控制不正确。
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 |
|---|---|---|---|---|
| instantsoft | instantsoft/icms2 | unspecified ~ 2.16.1-git | - |
|
II. Public POCs for CVE-2023-4650
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-4650 (1)
Vendor Advisories for CVE-2023-4650 (1)
Same Patch Batch · instantsoft · 2023-08-31 · 7 CVEs total
| CVE-2023-4655 | Cross-site Scripting (XSS) - Reflected in instantsoft/icms2 | |
| CVE-2023-4654 | Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in instantsoft/icms2 | |
| CVE-2023-4653 | Cross-site Scripting (XSS) - Stored in instantsoft/icms2 | |
| CVE-2023-4652 | Cross-site Scripting (XSS) - Stored in instantsoft/icms2 | |
| CVE-2023-4651 | Server-Side Request Forgery (SSRF) in instantsoft/icms2 | |
| CVE-2023-4649 | Session Fixation in instantsoft/icms2 |
IV. Related Vulnerabilities
Same product: instantsoft/icms2
-
CVE-2023-4928
SQL Injection in instantsoft/icms2 -
CVE-2023-4879
Cross-site Scripting (XSS) - Stored in instantsoft/icms2 -
CVE-2023-4878
Server-Side Request Forgery (SSRF) in instantsoft/icms2 -
CVE-2023-4704
External Control of System or Configuration Setting in insta -
CVE-2023-4654
Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
Same vendor: instantsoft
-
CVE-2026-48707
InstantCMS vulnerable to SSRF via upload redirect bypass all -
CVE-2026-54611
InstantCMS has Remote Code Execution in package installer -
CVE-2026-28281
InstantCMS has Multiple CSRF Vulnerabilities -
CVE-2025-59055
InstantCMS vulnerable to Server-Side Request Forgery via pac -
CVE-2024-50348
InstantCMS has a Cross Site Scripting Vulnerability
Same weakness: CWE-284
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CVE-2026-105823
ImageMagick before 7.1.2-31 Policy Bypass in CUT Encoder -
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Improper Access Control in Splunk Enterprise -
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Improper Access Control through REST API Endpoints in Splunk -
CVE-2026-76463
Cisco Meraki Security Hardening Release: October 2026 - Impr -
CVE-2026-76498
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V. Comments for CVE-2023-4650
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