Security Advisories (1)
CVE-2026-5090 (2026-05-19)

Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected. The html_filter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected. For example, the variable "var" in <a id='ref' title='[% var | html %]'> would not be properly escaped. An attacker could insert some limited HTML and JavaScript, for example, var = " ' onclick='while (true) { alert(1) }'" Note that arbitrary HTML and JavaScript would be difficult to inject, because angle brackets, ampersands and double-quotes would still be escaped.

NAME

Template::Tutorial - Template Toolkit Tutorials

DESCRIPTION

Template::Tutorial::Web

Generating Web Content Using the Template Toolkit

Template::Tutorial::Datafile

Creating Data Output Files Using the Template Toolkit

AUTHOR

Andy Wardley <abw@wardley.org>

http://wardley.org/

VERSION

Template Toolkit version 2.18, released on 09 February 2007.

COPYRIGHT

Copyright (C) 1996-2007 Andy Wardley.  All Rights Reserved.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.