Grav vulnerable to Cross-Site Scripting (XSS) Reflected endpoint /admin/pages/[page], parameter data[header][content][items], located in the "Blog Config" tab

@@ -471,7 +471,8 @@ public function taskForgot(): ResponseInterface
 
             $interval = $config->get('plugins.login.max_pw_resets_interval', 2);
 
-            $this->setMessage($this->translate('PLUGIN_LOGIN.FORGOT_CANNOT_RESET_IT_IS_BLOCKED', $to, $interval), 'error');
+            // Security: Use generic message to prevent email enumeration (GHSA-q3qx-cp62-f6m7)
+            $this->setMessage($this->translate('PLUGIN_ADMIN.FORGOT_CANNOT_RESET_RATE_LIMITED', $interval), 'error');
 
             return $this->createRedirectResponse($current);
         }

@@ -21,6 +21,7 @@ PLUGIN_ADMIN:
   FORGOT_CANNOT_RESET_EMAIL_NO_EMAIL: "Cannot reset password for %s, no email address is set"
   FORGOT_USERNAME_DOES_NOT_EXIST: "User with username <b>%s</b> does not exist"
   FORGOT_EMAIL_NOT_CONFIGURED: "Cannot reset password. This site is not configured to send emails"
+  FORGOT_CANNOT_RESET_RATE_LIMITED: "Password reset temporarily blocked due to too many attempts. Please try again later (maximum %s minutes)"
   FORGOT_EMAIL_SUBJECT: "%s Password Reset Request"
   FORGOT_EMAIL_BODY: "<h1>Password Reset</h1><p>Dear %1$s,</p><p>A request was made on <b>%4$s</b> to reset your password.</p><p><br /><a href=\"%2$s\" class=\"btn-primary\">Click this to reset your password</a><br /><br /></p><p>Alternatively, copy the following URL into your browser's address bar:</p> <p>%2$s</p><p><br />Kind regards,<br /><br />%3$s</p>"
   MANAGE_PAGES: "Manage Pages"

@@ -19,6 +19,17 @@ const PagesRoute = {
     }
 };
 
+// Security: Default render functions that escape HTML to prevent XSS
+// (GHSA-65mj-f7p4-wggq, GHSA-7g78-5g5g-mvfj, GHSA-mpjj-4688-3fxg)
+const SafeRender = {
+    option: function(item, escape) {
+        return `<div>${escape(item.text || item.value)}</div>`;
+    },
+    item: function(item, escape) {
+        return `<div>${escape(item.text || item.value)}</div>`;
+    }
+};
+
 export default class SelectizeField {
     constructor(options = {}) {
         this.options = Object.assign({}, options);
@@ -45,6 +56,12 @@ export default class SelectizeField {
             data = $.extend({}, data, { render: PagesRoute });
         }
 
+        // Security: Apply safe render functions by default to escape HTML
+        // Only apply if no custom render is already defined
+        if (!data.render) {
+            data = $.extend({}, data, { render: SafeRender });
+        }
+
         if (!field.length || field.get(0).selectize) { return; }
         const plugins = $.merge(data.plugins ? data.plugins : [], ['required-fix']);
         field.selectize($.extend({}, data, { plugins }));

@@ -2434,12 +2434,12 @@ var SafeUpgrade = /*#__PURE__*/function () {
       var version = data.version || {};
       var releaseDate = version.release_date || '';
       var packageSize = version.package_size ? formatBytes(version.package_size) : t('SAFE_UPGRADE_UNKNOWN_SIZE', 'unknown');
-var warnings = data.preflight && data.preflight.warnings || [];
+      var warnings = data.preflight && data.preflight.warnings || [];
       var pending = data.preflight && data.preflight.plugins_pending || {};
-      var isMajorUpgrade = !!(data.preflight && data.preflight.is_major_minor_upgrade);
-      var hasPendingUpdates = Object.keys(pending).length > 0;
       var psrConflicts = data.preflight && data.preflight.psr_log_conflicts || {};
       var monologConflicts = data.preflight && data.preflight.monolog_conflicts || {};
+      var isMajorUpgrade = !!(data.preflight && data.preflight.is_major_minor_upgrade);
+      var hasPendingUpdates = Object.keys(pending).length > 0;
       if (data.status === 'error') {
         blockers.push(data.message || t('SAFE_UPGRADE_GENERIC_ERROR', 'Safe upgrade could not complete. See Grav logs for details.'));
       }
@@ -2486,7 +2486,7 @@ var warnings = data.preflight && data.preflight.warnings || [];
       var warningsList = filteredWarnings.length || psrWarningItems.length || monologWarningItems.length ? "\n            <section class=\"safe-upgrade-panel safe-upgrade-panel--alert safe-upgrade-alert\">\n                <header class=\"safe-upgrade-panel__header\">\n                    <div class=\"safe-upgrade-panel__title-wrap\">\n                        <span class=\"safe-upgrade-panel__icon fa fa-exclamation-triangle\" aria-hidden=\"true\"></span>\n                        <div>\n                            <strong class=\"safe-upgrade-panel__title\">".concat(t('SAFE_UPGRADE_WARNINGS', 'Warnings'), "</strong>\n                            <span class=\"safe-upgrade-panel__subtitle\">").concat(t('SAFE_UPGRADE_WARNINGS_HINT', 'These items may require attention before continuing.'), "</span>\n                        </div>\n                    </div>\n                </header>\n                <div class=\"safe-upgrade-panel__body\">\n                    <ul>\n                        ").concat(filteredWarnings.map(function (warning) {
         return "<li>".concat(warning, "</li>");
       }).join(''), "\n                        ").concat(psrWarningItems.join(''), "\n                        ").concat(monologWarningItems.join(''), "\n                    </ul>\n                </div>\n            </section>\n        ") : '';
-var pendingList = hasPendingUpdates ? "\n            <section class=\"safe-upgrade-panel safe-upgrade-panel--info safe-upgrade-pending\">\n                <header class=\"safe-upgrade-panel__header\">\n                    <div class=\"safe-upgrade-panel__title-wrap\">\n                        <span class=\"safe-upgrade-panel__icon fa fa-sync\" aria-hidden=\"true\"></span>\n                        <div>\n                            <strong class=\"safe-upgrade-panel__title\">".concat(t('SAFE_UPGRADE_PENDING_UPDATES', 'Pending plugin or theme updates'), "</strong>\n                            <span class=\"safe-upgrade-panel__subtitle\">").concat(isMajorUpgrade ? t('SAFE_UPGRADE_PENDING_INTRO', 'Because this is a major Grav upgrade, update these extensions first to ensure maximum compatibility.') : t('SAFE_UPGRADE_PENDING_MINOR_DESC', 'These updates are optional for this release; apply them at your convenience.'), "</span>\n                        </div>\n                    </div>\n                </header>\n                <div class=\"safe-upgrade-panel__body\">\n                    <ul>\n                        ").concat(Object.keys(pending).map(function (slug) {
+      var pendingList = hasPendingUpdates ? "\n            <section class=\"safe-upgrade-panel safe-upgrade-panel--info safe-upgrade-pending\">\n                <header class=\"safe-upgrade-panel__header\">\n                    <div class=\"safe-upgrade-panel__title-wrap\">\n                        <span class=\"safe-upgrade-panel__icon fa fa-sync\" aria-hidden=\"true\"></span>\n                        <div>\n                            <strong class=\"safe-upgrade-panel__title\">".concat(t('SAFE_UPGRADE_PENDING_UPDATES', 'Pending plugin or theme updates'), "</strong>\n                            <span class=\"safe-upgrade-panel__subtitle\">").concat(isMajorUpgrade ? t('SAFE_UPGRADE_PENDING_INTRO', 'Because this is a major Grav upgrade, update these extensions first to ensure maximum compatibility.') : t('SAFE_UPGRADE_PENDING_MINOR_DESC', 'These updates are optional for this release; apply them at your convenience.'), "</span>\n                        </div>\n                    </div>\n                </header>\n                <div class=\"safe-upgrade-panel__body\">\n                    <ul>\n                        ").concat(Object.keys(pending).map(function (slug) {
         var item = pending[slug] || {};
         var type = item.type || 'plugin';
         var current = item.current || t('SAFE_UPGRADE_UNKNOWN_VERSION', 'unknown');
@@ -6091,6 +6091,17 @@ var PagesRoute = {
     return "<div class=\"selectize-route-option\">\n            <span class=\"text-grey\">".concat(arrows, "</span>\n            <span>\n                <span class=\"text-update\">").concat(slug.replace('(', '/').replace(')', ''), "</span>\n                <span>").concat(label.join(' '), "</span>\n            </span>\n        </div>");
   }
 };
+
+// Security: Default render functions that escape HTML to prevent XSS
+// (GHSA-65mj-f7p4-wggq, GHSA-7g78-5g5g-mvfj, GHSA-mpjj-4688-3fxg)
+var SafeRender = {
+  option: function option(item, escape) {
+    return "<div>".concat(escape(item.text || item.value), "</div>");
+  },
+  item: function item(_item, escape) {
+    return "<div>".concat(escape(_item.text || _item.value), "</div>");
+  }
+};
 var SelectizeField = /*#__PURE__*/function () {
   function SelectizeField() {
     var _this = this;
@@ -6119,6 +6130,14 @@ var SelectizeField = /*#__PURE__*/function () {
           render: PagesRoute
         });
       }
+
+      // Security: Apply safe render functions by default to escape HTML
+      // Only apply if no custom render is already defined
+      if (!data.render) {
+        data = external_jQuery_default().extend({}, data, {
+          render: SafeRender
+        });
+      }
       if (!field.length || field.get(0).selectize) {
         return;
       }
@@ -15071,4 +15090,4 @@ module.exports = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADz
 /******/ 	Grav = __webpack_exports__;
 /******/ 	
 /******/ })()
-;
+;
\ No newline at end of file

@@ -36,7 +36,8 @@
             {% set optionsList = [] %}
         {% endif %}
         {% for group in groups.index %}
-        {% set optionsList = optionsList|merge([{ text: group.readableName ?? group.groupname, value: group.groupname }]) %}
+        {# Security: Escape HTML in group names to prevent XSS (GHSA-rmw5-f87r-w988) #}
+        {% set optionsList = optionsList|merge([{ text: (group.readableName ?? group.groupname)|e, value: group.groupname }]) %}
         {% endfor %}
     {% endif %}
 

@@ -21,10 +21,11 @@
     {% endif %}
     {% set list = (options[name] ?? [])|merge(sub_taxonomies)|merge(value)|array_unique %}
 
+    {# Security: Escape HTML in taxonomy names and values to prevent XSS (GHSA-gqxx-248x-g29f, GHSA-mpjj-4688-3fxg) #}
     {% set field = {
         type: 'select',
         classes: 'fancy create',
-        label: name|capitalize,
+        label: name|capitalize|e,
         name: field_name,
         multiple: true,
         options: list,