CVE-2020-15241 Information

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).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47 https://typo3.org/security/advisory/typo3-core-sa-2019-013

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1