CVE-2020-25739 – Ubuntu Security Notice USN-4560-1

https://notcve.org/view.php?id=CVE-2020-25739

23 Sep 2020 — An issue was discovered in the gon gem before gon-6.4.0 for Ruby. MultiJson does not honor the escape_mode parameter to escape fields as an XSS protection mechanism. To mitigate, json_dumper.rb in gon now does escaping for XSS by default without relying on MultiJson. Se detectó un problema en la gema gon versiones anteriores a gon-6.4.0 para Ruby. MultiJson, no respeta el parámetro escape_mode para escapar de los campos como mecanismo de protección XSS. • https://github.com/gazay/gon/commit/fe3c7b2191a992386dc9edd37de5447a4e809bc7 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •