Gon gem lack of escaping certain input when outputting as JSON
Published: September 18, 2020
SECURITY IDENTIFIERS
- CVE: CVE-2020-25739 (NVD)
- GHSA: GHSA-78vq-9j56-wrfr
- Vendor Advisory: https://github.com/gazay/gon/commit/fe3c7b2191a992386dc9edd37de5447a4e809bc7
GEM
SEVERITY
PATCHED VERSIONS
>= 6.4.0
DESCRIPTION
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.