TYPO3-EXT-SA-2019-022: Privilege Escalation in extension "femanager direct mail subscription" (femanager_dmail_subscribe)

Categories: Development Created by Torben Hansen
It has been discovered that the extension "femanager direct mail subscription" (femanager_dmail_subscribe) is susceptible to Privilege Escalation.
  • Release Date: December 17, 2019
  • Component Type: Third party extension. This extension is not a part of the TYPO3 default installation.
  • Vulnerability Type: Privilege Escalation
  • Affected Versions: 2.1.2 - 2.1.0
  • Severity: Medium
  • Suggested CVSS v3.1: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N/E:F/RL:O/RC:C
  • CVE: Not assigned yet

Problem Description

Failing to properly check access rights, the extension is susceptible to privilege escalation, making it possible for a logged in frontend user to modify other frontend user records.


An updated version 2.1.3 is available from the TYPO3 extension manager, Packagist and at 
Users of the extension are advised to update the extension as soon as possible.


Credits go to Alexander Kellner who discovered and reported the vulnerability.

General Advice

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