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GHSA-q3wr-qw3g-3p4h

Injection/XSS in Redcarpet

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-26298

Packages

EcosystemPackageAffectedFixed in
RubyGems redcarpet < 3.5.1 3.5.1

Details

As written in the advisory (Markdown source, shown as plain text).

Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit.

References

External links from the advisory. They lead to third-party sites.