An issue was discovered in the Graphics::ColorNames package before 3.2.0 for Perl. There is an ambiguity between modules and filenames that can lead to HTML injection by an attacker who can create a file in the current working directory.
https://rt.cpan.org/Public/Bug/Display.html?id=54500
https://metacpan.org/release/RRWO/Graphics-ColorNames-v3.2.0/changes