What’s Vulnerable › Vulnerabilities

CVE-2018-18380

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-19 · updated 2026-06-17
• Weakness: CWE-384

Description

A Session Fixation issue was discovered in Bigtree before 4.2.24. admin.php accepts a user-provided PHP session ID instead of regenerating a new one after a user has logged in to the application. The Session Fixation could allow an attacker to hijack an admin session.

Affected products

• Bigtreecms Bigtree Cms: before 4.2.24 — fixed in 4.2.24

How to fix

Upgrade to a fixed version: Bigtreecms Bigtree Cms 4.2.24. Check the vendor advisory for mitigations.

References

• https://gist.github.com/zionspike/680eb504db7c86296fad0eff30c6317f
• https://github.com/bigtreecms/BigTree-CMS/commit/c69402c4764ed9a76301c57277aefe70141b6418
• https://github.com/bigtreecms/BigTree-CMS/tree/4.2.24
• https://gist.github.com/zionspike/680eb504db7c86296fad0eff30c6317f
• https://github.com/bigtreecms/BigTree-CMS/commit/c69402c4764ed9a76301c57277aefe70141b6418
• https://github.com/bigtreecms/BigTree-CMS/tree/4.2.24

Get alerted when CVE-2018-18380 or the next vulnerability affects your stack