title: Cross-Site Scripting in TYPO3 Fluid Engine
description: TYPO3 Fluid Engine (package `typo3fluid/fluid`) before versions 2.0.5, 2.1.4, 2.2.1, 2.3.5, 2.4.1, 2.5.5 or 2.6.1 is vulnerable to cross-site scripting when making use of the ternary conditional operator in templates like `{showFullName ? fullName : defaultValue}`. Updated versions of this package are bundled in following TYPO3 (`typo3/cms-core`) versions as well: TYPO3 v8.7.25 (using `typo3fluid/fluid` v2.5.4) and TYPO3 v9.5.6 (using `typo3fluid/fluid` v2.6.1).
problem types: {"CWE-601":"URL Redirection to Untrusted Site ('Open Redirect')"}
affected:
{
product: Fluid
vendor: TYPO3
versions:
status: affected, version: >= 2.0.0, < 2.0.5
status: affected, version: >= 2.1.0, < 2.1.4
status: affected, version: >= 2.2.0, < 2.2.1
status: affected, version: >= 2.3.0, < 2.3.5
status: affected, version: >= 2.4.0, < 2.4.1
status: affected, version: >= 2.5.0, < 2.5.5
status: affected, version: >= 2.6.0, < 2.6.1
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.7
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
version: 3.1
]