fix: cross site scripting with html content

This commit is contained in:
Rotimi Best
2025-12-03 09:33:53 +01:00
parent f2b719cd1b
commit 7b18c325da
15 changed files with 458 additions and 151 deletions
@@ -1,7 +1,8 @@
<script>
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
export let code = '';
</script>
<div class="bg-gray-200 dark:bg-gray-500 p-5 rounded-md mb-3">
{@html code}
<div class="mb-3 rounded-md bg-gray-200 p-5 dark:bg-gray-500">
{@html sanitizeHtml(code)}
</div>
@@ -4,6 +4,7 @@
import TextField from '$lib/components/Form/TextField.svelte';
import { questionnaire } from '../store/exercise';
import TextEditor from '$lib/components/TextEditor/index.svelte';
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
import { t } from '$lib/utils/functions/translations';
export let preview: boolean;
@@ -52,31 +53,33 @@
{:else if preview}
<h2 class="my-1">{$questionnaire.title}</h2>
<div class="flex items-center">
<p class="dark:text-white mx-2">
<p class="mx-2 dark:text-white">
<strong>{$questionnaire.questions.length}</strong>
{$t('course.navItem.lessons.exercises.all_exercises.view_mode.questions')}
</p>
|
<p class="dark:text-white mx-2">
<p class="mx-2 dark:text-white">
<strong>{getTotalPossibleGrade($questionnaire.questions)}</strong>
{$t('course.navItem.lessons.exercises.all_exercises.view_mode.points')}.
</p>
|
<p class="dark:text-white mx-2">
<p class="mx-2 dark:text-white">
{$t('course.navItem.lessons.exercises.all_exercises.view_mode.all')}
</p>
{#if $questionnaire.due_by}
|
<p class="dark:text-white mx-2">
<p class="mx-2 dark:text-white">
<strong>{$t('course.navItem.lessons.exercises.all_exercises.view_mode.due')}:</strong>
{new Date($questionnaire.due_by).toLocaleString()}
</p>
{/if}
</div>
<article class="mt-3 preview prose prose-sm sm:prose p-2">
{@html $questionnaire.description ||
$t('course.navItem.lessons.exercises.all_exercises.description.no')}
<article class="preview prose prose-sm sm:prose mt-3 p-2">
{@html sanitizeHtml(
$questionnaire.description ||
$t('course.navItem.lessons.exercises.all_exercises.description.no')
)}
</article>
{/if}
</QuestionContainer>
@@ -27,6 +27,7 @@
import { lesson } from '../store/lessons';
import { browser } from '$app/environment';
import { COURSE_TYPE } from '$lib/utils/types';
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
import { t } from '$lib/utils/functions/translations';
export let preview: boolean = false;
@@ -296,7 +297,7 @@
</div>
<article class="preview prose prose-sm sm:prose mt-3 p-2">
{@html $questionnaire.description || 'No desription'}
{@html sanitizeHtml($questionnaire.description || 'No desription')}
</article>
<PrimaryButton
@@ -10,6 +10,7 @@
import { diffLines } from 'diff';
import { lesson, lessons } from '$lib/components/Course/components/Lesson/store/lessons';
import { supabase } from '$lib/utils/functions/supabase';
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
import { t } from '$lib/utils/functions/translations';
import { LOCALE } from '$lib/utils/types';
@@ -166,7 +167,7 @@
<aside class="drawer bg-gray-100 dark:bg-neutral-800" class:open>
<div class="panel bg-white dark:bg-black">
<div class="p-10 w-full pr-80">
<div class="w-full p-10 pr-80">
<div class="flex items-start gap-x-10">
<PrimaryButton variant={VARIANTS.OUTLINED} onClick={handleDrawerClose}>
<ArrowLeft />
@@ -180,10 +181,10 @@
</div>
{/if}
</div>
<div class="w-full h-full flex flex-col items-start">
<div class="flex h-full w-full flex-col items-start">
<HtmlRender className="m-auto text-center mt-6 flex items-center justify-center">
<svelte:fragment slot="content">
<h1 class="text-2xl md:text-4xl mt-0 capitalize">
<h1 class="mt-0 text-2xl capitalize md:text-4xl">
{lessonTitle}
</h1>
</svelte:fragment>
@@ -193,7 +194,7 @@
<HtmlRender id="display" className="m-auto">
<svelte:fragment slot="content">
<div class="amen">
{@html content}
{@html sanitizeHtml(content)}
</div>
</svelte:fragment>
</HtmlRender>
@@ -203,9 +204,9 @@
</div>
<div
id="scroll-container"
class="w-80 fixed right-0 top-0 min-h-screen h-full z-10 overflow-x-auto overflow-y-scroll bg-gray-100 dark:bg-neutral-800 py-10 space-y-6"
class="fixed right-0 top-0 z-10 h-full min-h-screen w-80 space-y-6 overflow-x-auto overflow-y-scroll bg-gray-100 py-10 dark:bg-neutral-800"
>
<p class="font-medium text-xl text-left flex items-start justify-start px-10">
<p class="flex items-start justify-start px-10 text-left text-xl font-medium">
{$t('course.navItem.lessons.version_history.title')}
</p>
@@ -213,25 +214,25 @@
{#each lessonHistory as version, index}
<button
on:click={() => updateContentVersion(version, index)}
class="hover:bg-gray-200 dark:hover:bg-neutral-700 cursor-pointer p-4 w-full px-10 flex items-start {index ==
class="flex w-full cursor-pointer items-start p-4 px-10 hover:bg-gray-200 dark:hover:bg-neutral-700 {index ==
selectedVersionIndex
? 'bg-gray-200 dark:bg-neutral-700'
: ''}"
>
<CaretRight class="mt-1"></CaretRight>
<div>
<span class="inline-block font-medium text-base"
<span class="inline-block text-base font-medium"
>{formatTimestamp(version.timestamp)}</span
>
{#if index == 0}
<span class="block italic text-xs text-start"
<span class="block text-start text-xs italic"
>{$t('course.navItem.lessons.version_history.current_version')}</span
>
{/if}
</div>
</button>
{/each}
<div class="flex items-center justify-start px-10 mt-2 h-10">
<div class="mt-2 flex h-10 items-center justify-start px-10">
<PrimaryButton className="h-full" isLoading={isMoreHistoryLoading} onClick={loadMoreHistory}
>{$t('course.navItem.lessons.version_history.fetch_more_versions')}</PrimaryButton
>
@@ -1,5 +1,6 @@
<script lang="ts">
import HtmlRender from '$lib/components/HTMLRender/HTMLRender.svelte';
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
import { isHtmlValueEmpty } from '$lib/utils/functions/toHtml';
import {
lesson,
@@ -26,7 +27,7 @@
<HtmlRender className="m-auto">
<svelte:fragment slot="content">
<div>
{@html content}
{@html sanitizeHtml(content)}
</div>
</svelte:fragment>
</HtmlRender>
@@ -12,6 +12,7 @@
import { isOrgAdmin } from '$lib/utils/store/org';
import { profile } from '$lib/utils/store/user';
import { isHtmlValueEmpty } from '$lib/utils/functions/toHtml';
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
import pluralize from 'pluralize';
import { onMount } from 'svelte';
import { addNewsfeedCommentValidation } from '$lib/utils/functions/validator';
@@ -101,18 +102,18 @@
<div
id={feed.id}
class="flex flex-col gap-5 {isActive
? 'border-2 border-primary-700'
: 'border border-gray-200 dark:border-neutral-600'} rounded-md mb-7 max-w-3xl"
? 'border-primary-700 border-2'
: 'border border-gray-200 dark:border-neutral-600'} mb-7 max-w-3xl rounded-md"
>
<section>
<div class="p-3 pb-0">
<div class="flex justify-between mb-2">
<div class="mb-2 flex justify-between">
<span class="flex items-center gap-3">
<div class="w-9 h-9">
<div class="h-9 w-9">
<img
src={feed.author?.profile?.avatar_url}
alt="users banner"
class="w-full h-full rounded-full object-cover"
class="h-full w-full rounded-full object-cover"
/>
</div>
<span>
@@ -135,7 +136,7 @@
<HtmlRender className="text-sm font-medium w-[80%] mb-4">
<svelte:fragment slot="content">
<div>
{@html feed.content}
{@html sanitizeHtml(feed.content)}
</div>
</svelte:fragment>
</HtmlRender>
@@ -150,7 +151,7 @@
on:click={() => handleAddNewReaction(reactionType)}
class={`flex items-center transition ${
feed.reaction[reactionType].length >= 1 &&
`${getClassIfSelectedByAuthor(reactionType)} dark:text-black border rounded-full`
`${getClassIfSelectedByAuthor(reactionType)} rounded-full border dark:text-black`
}`}
>
<div class="text-[15px]">{reactions[reactionType]}</div>
@@ -164,14 +165,14 @@
</div>
</section>
<section class="border-t border-gray-200 dark:border-neutral-600 p-3">
<section class="border-t border-gray-200 p-3 dark:border-neutral-600">
{#if feed.comment.length > 0}
<button
on:click={expandComment}
class="flex flex-row items-center gap-1 -mx-2 px-2 rounded-md"
class="-mx-2 flex flex-row items-center gap-1 rounded-md px-2"
>
<UserMultiple size={16} />
<p class="text-sm py-2">
<p class="py-2 text-sm">
{pluralize('comment', feed.comment.length, true)}
</p>
</button>
@@ -179,13 +180,13 @@
<div>
{#each feed.comment as comment, index}
{#if comment.content && (areCommentsExpanded || index === feed.comment.length - 1)}
<div class="group flex justify-between items-center py-2">
<div class="group flex items-center justify-between py-2">
<span class="flex items-center gap-3">
<div class="w-9 h-9">
<div class="h-9 w-9">
<img
src={comment.author?.profile?.avatar_url}
alt="users banner"
class="w-full h-full rounded-full object-cover"
class="h-full w-full rounded-full object-cover"
/>
</div>
<span>
@@ -211,11 +212,11 @@
{/each}
</div>
<div class="flex items-center justify-between gap-2">
<div class="w-7 h-7">
<div class="h-7 w-7">
<img
src={author.avatar_url}
alt="users banner"
class="w-full h-full rounded-full object-cover"
class="h-full w-full rounded-full object-cover"
/>
</div>
<div class="flex-1">
@@ -224,7 +225,7 @@
bind:value={comment}
on:keydown={handleAddNewComment}
placeholder="Add class comment"
class="w-full bg-transparent border border-gray-200 dark:border-neutral-600 rounded-3xl"
class="w-full rounded-3xl border border-gray-200 bg-transparent dark:border-neutral-600"
required
/>
</div>
@@ -1,4 +1,5 @@
<script>
import { sanitizeHtml } from '$lib/utils/functions/sanitize';
export let content = '';
export let className = '';
export let id = '';
@@ -13,6 +14,6 @@
{#if $$slots.content}
<slot name="content" />
{:else}
{@html content}
{@html sanitizeHtml(content)}
{/if}
</article>