<a href="' . qa_path_html('ip/' . $ip) . '" title="' . qa_lang_html_sub('main/ip_address_x', qa_html($ip)) . '" class="qa-ip-link">' . $anchorhtml . '</a>
It's not a security issue, because the input apparently is being sanitzed. If it weren't that would be a code injection vulnerabilty.
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
July 25th, 2023: Q2A 1.8.8 released!