CVE-2020-15241: TYPO3 Fluid Engine

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

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).

Affected products

• TYPO3 Fluid Engine: before 2.0.5 (fixed in 2.0.5); from 2.1.0, before 2.1.4 (fixed in 2.1.4); from 2.2.0, before 2.2.1 (fixed in 2.2.1); from 2.3.0, before 2.3.5 (fixed in 2.3.5); from 2.4.0, before 2.4.1 (fixed in 2.4.1); from 2.5.0, before 2.5.5 (fixed in 2.5.5); …
• TYPO3 TYPO3: version 8.7.25 only; version 9.5.6 only

Published 2020-10-08. Last modified 2026-06-17.