WS-2018-0154
Published:May 14, 2026
Updated:May 14, 2026
It has been discovered that TYPO3's Salted Password system extension (which is a mandatory system component) is vulnerable to Authentication Bypass when using hashing methods which are related by PHP class inheritance. In standard TYPO3 core distributions stored passwords using the blowfish hashing algorithm can be overridden when using MD5 as the default hashing algorithm by just knowing a valid username. Per default the Portable PHP hashing algorithm (PHPass) is used which is not vulnerable.Affected Versions: 7.0.0 to 7.6.29
Affected Packages
typo3/cms (PHP):
Affected version(s) =v8.7.7 <8.7.8Fix Suggestion:
Update to version 8.7.8typo3/cms-saltedpasswords (PHP):
Affected version(s) =v9.3.0 <v9.3.1Fix Suggestion:
Update to version v9.3.1typo3/cms (PHP):
Affected version(s) =v8.7.14 <8.7.15Fix Suggestion:
Update to version 8.7.15instituteweb/typo3-cms (PHP):
Affected version(s) >=7.6.11 <8.0.0Fix Suggestion:
Update to version 8.0.0typo3/cms-saltedpasswords (PHP):
Affected version(s) >=v9.0.0 <9.3.x-devFix Suggestion:
Update to version 9.3.x-devtypo3/cms (PHP):
Affected version(s) =7.6.15 <7.6.16Fix Suggestion:
Update to version 7.6.16typo3/cms (PHP):
Affected version(s) =v7.6.22 <7.6.23Fix Suggestion:
Update to version 7.6.23typo3/cms (PHP):
Affected version(s) =v8.7.10 <8.7.11Fix Suggestion:
Update to version 8.7.11typo3/cms (PHP):
Affected version(s) =v8.7.8 <8.7.9Fix Suggestion:
Update to version 8.7.9typo3/cms (PHP):
Affected version(s) =v7.6.21 <7.6.22Fix Suggestion:
Update to version 7.6.22typo3/cms (PHP):
Affected version(s) =v7.6.26 <7.6.27Fix Suggestion:
Update to version 7.6.27typo3/cms (PHP):
Affected version(s) =v7.6.28 <7.6.29Fix Suggestion:
Update to version 7.6.29instituteweb/typo3-cms (PHP):
Affected version(s) >=dev-TYPO3_7 <6.2.19Fix Suggestion:
Update to version 6.2.19typo3/cms (PHP):
Affected version(s) =v7.6.20 <7.6.21Fix Suggestion:
Update to version 7.6.21typo3/cms (PHP):
Affected version(s) =v7.6.29 <7.6.30Fix Suggestion:
Update to version 7.6.30typo3/cms (PHP):
Affected version(s) =v9.3.0 <v9.3.1Fix Suggestion:
Update to version v9.3.1typo3/cms (PHP):
Affected version(s) =v8.7.16 <8.7.17Fix Suggestion:
Update to version 8.7.17typo3/cms (PHP):
Affected version(s) =v7.6.23 <7.6.24Fix Suggestion:
Update to version 7.6.24typo3/cms (PHP):
Affected version(s) >=TYPO3_7-6-11 <TYPO3_7-6-20Fix Suggestion:
Update to version TYPO3_7-6-20typo3/cms (PHP):
Affected version(s) =v8.7.5 <8.7.6Fix Suggestion:
Update to version 8.7.6typo3/cms (PHP):
Affected version(s) =TYPO3_8-7-2 <TYPO3_8-7-3Fix Suggestion:
Update to version TYPO3_8-7-3typo3/cms (PHP):
Affected version(s) >=v9.0.0 <9.3.x-devFix Suggestion:
Update to version 9.3.x-devtypo3/cms (PHP):
Affected version(s) =7.6.12 <7.6.13Fix Suggestion:
Update to version 7.6.13typo3/cms (PHP):
Affected version(s) =v8.7.11 <8.7.12Fix Suggestion:
Update to version 8.7.12typo3/cms (PHP):
Affected version(s) =v7.6.25 <7.6.26Fix Suggestion:
Update to version 7.6.26typo3/cms-saltedpasswords (PHP):
Affected version(s) >=v8.7.7 <v8.7.17Fix Suggestion:
Update to version v8.7.17typo3/cms (PHP):
Affected version(s) =v7.6.24 <7.6.25Fix Suggestion:
Update to version 7.6.25typo3/cms (PHP):
Affected version(s) >=7.6.17 <7.6.19Fix Suggestion:
Update to version 7.6.19typo3/cms (PHP):
Affected version(s) =v8.7.3 <8.7.4Fix Suggestion:
Update to version 8.7.4typo3/cms (PHP):
Affected version(s) =v8.7.13 <8.7.14Fix Suggestion:
Update to version 8.7.14typo3/cms (PHP):
Affected version(s) =v8.7.12 <8.7.13Fix Suggestion:
Update to version 8.7.13typo3/cms (PHP):
Affected version(s) =v8.7.15 <8.7.16Fix Suggestion:
Update to version 8.7.16typo3/cms (PHP):
Affected version(s) =v8.7.4 <8.7.5Fix Suggestion:
Update to version 8.7.5typo3/cms (PHP):
Affected version(s) =v8.7.6 <8.7.7Fix Suggestion:
Update to version 8.7.7typo3/cms (PHP):
Affected version(s) =v8.7.9 <8.7.10Fix Suggestion:
Update to version 8.7.10typo3/cms (PHP):
Affected version(s) =v7.6.27 <7.6.28Fix Suggestion:
Update to version 7.6.28instituteweb/typo3-cms (PHP):
Affected version(s) >=8.7.2 <=8.7.10Fix Suggestion:
Update to version no_fixRelated Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW