What’s Vulnerable › Vulnerabilities

CVE-2023-4381: Unverified Password Change in instantsoft/icms2

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-16 · updated 2026-06-17
• Weakness: CWE-620

Description

Unverified Password Change 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/58f8b9941b53b606a1b15a4364005cd2b1965507
• https://huntr.dev/bounties/666c2617-e3e9-4955-9c97-2f8ed5262cc3
• https://github.com/instantsoft/icms2/commit/58f8b9941b53b606a1b15a4364005cd2b1965507
• https://huntr.dev/bounties/666c2617-e3e9-4955-9c97-2f8ed5262cc3

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