CVE-2018-12071: Session Fixation

May 14, 2022 (updated July 25, 2023)

A Session Fixation issue exists in CodeIgniter before 3.1.9 because session.use_strict_mode in the Session Library was mishandled.

References

github.com/advisories/GHSA-g434-3q2j-hj4r
github.com/bcit-ci/CodeIgniter/commit/800a20d6c4662d99ae0988b2f8f2238bb8bb29db
github.com/bcit-ci/CodeIgniter/issues/5958
nvd.nist.gov/vuln/detail/CVE-2018-12071
web.archive.org/web/20181115214804/https://www.codeigniter.com/user_guide/changelog.html

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