fast-xml-parser is a Validate XML, Parse XML, Build XML without C/C++ based libraries
Affected versions of this package are vulnerable to Uncaught Exception in the numeric entity processing when parsing XML containing out-of-range entity code points. An attacker can cause the application to crash by submitting specially crafted XML input that triggers an uncaught exception.
Remediation
Upgrade fast-xml-parser to version 5.3.4 or higher.