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).
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47
Patch, Third Party Advisory x_refsource_misc
https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d
Exploit, Third Party Advisory x_refsource_misc
https://typo3.org/security/advisory/typo3-core-sa-2019-013
Scores
CVSS v3
4.7
EPSS
0.0034
EPSS Percentile
56.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-601
CWE-79
Status
published
Products (6)
typo3/cms
8.0.0 - 8.7.25Packagist
typo3/cms-core
8.0.0 - 8.7.25Packagist
typo3/fluid_engine
< 2.0.5
typo3/typo3
8.7.25
typo3/typo3
9.5.6
typo3fluid/fluid
2.0.0 - 2.0.5Packagist
Published
Oct 08, 2020
Tracked Since
Feb 18, 2026