TYPO3-CORE-SA-2018-010: Information Disclosure in Install Tool

Categories: Development Created by Oliver Hader
It has been discovered, that TYPO3 CMS is susceptible to information disclosure.
  • Component Type: TYPO3 CMS
  • Vulnerable subcomponent: Install Tool
  • Release Date: December 11, 2018
  • Vulnerability Type: Information Disclosure
  • Affected Versions: 7.0.0-7.6.31, 8.0.0-8.7.20 and 9.0.0-9.5.1
  • Severity: Low
  • Suggested CVSS v3.0: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:F/RL:O/RC:C
  • CVE: not assigned yet

Problem Description

The Install Tool exposes the current TYPO3 version number to non-authenticated users.


Update to TYPO3 versions 7.6.32, 8.7.21 or 9.5.2 that fix the problem described.


Thanks to Manuel Bloch who reported this issue and to TYPO3 core team member Benni Mack who fixed the issue.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.

General Note

All security related code changes are tagged so that you can easily look them up in our review system.