fonttools XML External Entity Injection (XXE) Vulnerability
Summary As of fonttools>=4.28.2 the subsetting module has a XML External Entity Injection (XXE) vulnerability which allows an attacker to resolve arbitrary entities when a candidate font (OT-SVG fonts), which contains a SVG table, is parsed. This allows attackers to include arbitrary files from the filesystem fontTools is running on or make web requests from the host system. PoC The vulnerability can be reproduced following the bellow steps on a …