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ejs@3.1.6 vulnerabilities

Embedded JavaScript templates

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Direct Vulnerabilities

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

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Vulnerability Vulnerable Version
  • M
Improper Control of Dynamically-Managed Code Resources

ejs is a popular JavaScript templating engine.

Affected versions of this package are vulnerable to Improper Control of Dynamically-Managed Code Resources due to the lack of certain pollution protection mechanisms. An attacker can exploit this vulnerability to manipulate object properties that should not be accessible or modifiable.

Note:

Even after updating to the fix version that adds enhanced protection against prototype pollution, it is still possible to override the hasOwnProperty method.

How to fix Improper Control of Dynamically-Managed Code Resources?

Upgrade ejs to version 3.1.10 or higher.

<3.1.10
  • H
Remote Code Execution (RCE)

ejs is a popular JavaScript templating engine.

Affected versions of this package are vulnerable to Remote Code Execution (RCE) by passing an unrestricted render option via the view options parameter of renderFile, which makes it possible to inject code into outputFunctionName.

Note: This vulnerability is exploitable only if the server is already vulnerable to Prototype Pollution.

How to fix Remote Code Execution (RCE)?

Upgrade ejs to version 3.1.7 or higher.

<3.1.7
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