5 results · Clear filters · Feed
-
High 8.3
Handlebars.js has JavaScript Injection in CLI Precompiler via Unescaped Names and Options
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the Handlebars CLI precompiler (`bin/handlebars` / `lib/precompiler.js`) concatenates user-controlled strings — template file names and several CLI…
-
High 8.1
Handlebars.js has JavaScript Injection via AST Type Confusion when passing an object as dynamic partial
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, a crafted object placed in the template context can bypass all conditional guards in `resolvePartial()` and cause `invokePartial()` to return `unde…
-
High 7.5
Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, when a Handlebars template contains decorator syntax referencing an unregistered decorator (e.g. `{{*n}}`), the compiled template calls `lookupProp…
-
High 8.1
Handlebars.js has JavaScript Injection via AST Type Confusion by tampering @partial-block
Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, the `@partial-block` special variable is stored in the template data context and is reachable and mutable from within a template via helpers that a…
-
High 8.1
Arbitrary Code Execution in Handlebars
Handlebars before 3.0.8 and 4.x before 4.5.3 is vulnerable to Arbitrary Code Execution. The lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript. This can be used to run arbitrary code on…