The ke_search (aka Faceted Search) extension through 2.8.2, and 3.x through 3.1.3, for TYPO3 allows XSS.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15517
Reference (s):
- https://typo3.org/security/advisory/typo3-ext-sa-2020-009
- https://typo3.org/help/security-advisories