Merge commit from fork

fix: Sanitize KATEX blocks
This commit is contained in:
Sidharth Vinod
2025-08-18 16:57:11 +05:30
committed by GitHub
9 changed files with 109 additions and 57 deletions

View File

@@ -1,4 +1,4 @@
import { mermaidUrl } from '../../helpers/util.ts';
import { imgSnapshotTest, mermaidUrl, utf8ToB64 } from '../../helpers/util.ts';
describe('XSS', () => {
it('should handle xss in tags', () => {
const str =
@@ -141,4 +141,26 @@ describe('XSS', () => {
cy.wait(1000);
cy.get('#the-malware').should('not.exist');
});
it('should sanitize katex blocks', () => {
const str = JSON.stringify({
code: `sequenceDiagram
participant A as Alice<img src="x" onerror="xssAttack()">$$\\text{Alice}$$
A->>John: Hello John, how are you?`,
});
imgSnapshotTest(utf8ToB64(str), {}, true);
cy.wait(1000);
cy.get('#the-malware').should('not.exist');
});
it('should sanitize labels', () => {
const str = JSON.stringify({
code: `erDiagram
"<img src=x onerror=xssAttack()>" ||--|| ENTITY2 : "<img src=x onerror=xssAttack()>"
`,
});
imgSnapshotTest(utf8ToB64(str), {}, true);
cy.wait(1000);
cy.get('#the-malware').should('not.exist');
});
});