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WS-2018-0040
Published:May 14, 2026
Updated:May 14, 2026
Cross-Site Scripting (XSS) in TYPO3 4.3.x before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4. Exploiting requires an attacker to prepare a page and trick its victim to copy/move the prepared page.
Affected Packages
typo3/cms (PHP):
Affected version(s) >=TYPO3_4-5-0alpha1 <TYPO3_4-5-0beta1
Fix Suggestion:
Update to version TYPO3_4-5-0beta1
typo3/cms (PHP):
Affected version(s) =TYPO3_4-3-0RC2 <TYPO3_4-3-0alpha1
Fix Suggestion:
Update to version TYPO3_4-3-0alpha1
typo3/cms (PHP):
Affected version(s) >=TYPO3_4-5-0rc1 <TYPO3_4-5-4
Fix Suggestion:
Update to version TYPO3_4-5-4
typo3/cms (PHP):
Affected version(s) >=TYPO3_4-4-0RC1 <TYPO3_4-4-9
Fix Suggestion:
Update to version TYPO3_4-4-9
typo3/cms (PHP):
Affected version(s) >=TYPO3_4-3-0 <TYPO3_4-3-12
Fix Suggestion:
Update to version TYPO3_4-3-12
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE