CVE-2018-18380 json
A Session Fixation issue was discovered in Bigtree before 4.2.24.
published 2018-10-19 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10111
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bigtreecms bigtree_cms 4.2.24
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-384 Session Fixation
References
-
github.com
/bigtreecms/BigTree-CMS/commit/c69402c4764ed9a76301c57277aefe70141b6418
patch
-
gist.github.com
/zionspike/680eb504db7c86296fad0eff30c6317f
patch, third-party-advisory
-
github.com
/bigtreecms/BigTree-CMS/tree/4.2.24
release-notes
Sources
- CVE List CVE-2018-18380
- NVD CVE-2018-18380
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.