What’s Vulnerable › Vulnerabilities

CVE-2023-4650: Improper Access Control in instantsoft/icms2

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-31 · updated 2026-06-17
• Weakness: CWE-284

Description

Improper Access Control in GitHub repository instantsoft/icms2 prior to 2.16.1-git.

Affected products

• InstantCMS: before 2.16.1 — fixed in 2.16.1

How to fix

Upgrade to a fixed version: InstantCMS 2.16.1. Check the vendor advisory for mitigations.

References

• https://github.com/instantsoft/icms2/commit/78ff8ca066e86a65ff35470b5622be3aa7d2f928
• https://huntr.dev/bounties/d92e8985-9d9d-4a62-92e8-ada014ee3b17
• https://github.com/instantsoft/icms2/commit/78ff8ca066e86a65ff35470b5622be3aa7d2f928
• https://huntr.dev/bounties/d92e8985-9d9d-4a62-92e8-ada014ee3b17

Get alerted when CVE-2023-4650 or the next vulnerability affects your stack