CVE-2021-32822

The CVE-2021-32822 entry concerns the npm package hbs, an Express view engine wrapper for Handlebars. Affected component: hbs render flow where template data can be mixed with engine configuration options via the Express render API. Root cause is that internal configuration options can be overwri...

CVE-2026-16231

hbs , an Express view engine wrapping Handlebars, has a cross-site scripting vulnerability in its registerAsyncHelper API. An async helper returns an opaque placeholder during the first render pass, so Handlebars' double-brace escaping applies only to the placeholder. After rendering, hbs substit...