What’s Vulnerable › Vulnerabilities

CVE-2023-4654: Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in instantsoft/icms2

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-31 · updated 2026-06-17
• Weakness: CWE-614

Description

Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in GitHub repository instantsoft/icms2 prior to 2.16.1.

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/ca5f150da11d9caae86638885137afe35bcc3592
• https://huntr.dev/bounties/56432a75-af43-4b1a-9307-bd8de568351b
• https://github.com/instantsoft/icms2/commit/ca5f150da11d9caae86638885137afe35bcc3592
• https://huntr.dev/bounties/56432a75-af43-4b1a-9307-bd8de568351b

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