---
id: CVE-2022-27305
title: >-
  Gibbon v23 does not generate a new session ID cookie after a user
  authenticates, making the application vulnerable to session fixation.
summary: >-
  Gibbon v23 does not generate a new session ID cookie after a user
  authenticates, making the application vulnerable to session fixation.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-384
vendor: gibbonedu
product: gibbon
affected:
  - gibbon < 23.0.02
patched:
  - gibbon 23.0.02
published: '2022-05-25'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-27305'
references:
  - url: 'https://github.com/GibbonEdu/core/security/advisories/GHSA-4mq5-8jvh-qq3p'
    label: cve@mitre.org
  - url: 'http://gibbon.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://gibbonedu.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/GibbonEdu/core/security/advisories/GHSA-4mq5-8jvh-qq3p'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00919
epssPercentile: 0.5859
ingestedAt: '2026-07-06T02:09:23.501Z'
---

## Overview

Gibbon v23 does not generate a new session ID cookie after a user authenticates, making the application vulnerable to session fixation.

## Affected

- `gibbon < 23.0.02`

## Remediation

Upgrade past the affected range:

- `gibbon 23.0.02`