WS-2018-0046
Published:May 14, 2026
Updated:May 14, 2026
Cross-Site Scripting (XSS) in TYPO3 8.0.x before 8.7.5. Failing to properly encode user input, backend forms are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.
Affected Packages
typo3/cms (PHP):
Affected version(s) >=TYPO3_8-7-1 <TYPO3_8-7-3Fix Suggestion:
Update to version TYPO3_8-7-3typo3/cms (PHP):
Affected version(s) =v8.7.3 <8.7.4Fix Suggestion:
Update to version 8.7.4instituteweb/typo3-cms (PHP):
Affected version(s) >=8.6.0 <8.7.5Fix Suggestion:
Update to version 8.7.5typo3/cms (PHP):
Affected version(s) =8.6.0 <8.6.1Fix Suggestion:
Update to version 8.6.1typo3/cms (PHP):
Affected version(s) >=TYPO3_8-6-0 <dev-TYPO3_8-7Fix Suggestion:
Update to version dev-TYPO3_8-7typo3/cms (PHP):
Affected version(s) =8.7.1 <8.7.2Fix Suggestion:
Update to version 8.7.2typo3/cms (PHP):
Affected version(s) =v8.7.4 <8.7.5Fix Suggestion:
Update to version 8.7.5Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE