GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "mobile board tail contents" parameter, aka the adm/board_form_update.php bo_mobile_content_tail parameter.Referenceshttps://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-653a2b5a93ed2ca9b8c809ba723638c1
