AIKIDO-2025-10890
elysia is vulnerable to Improper Control of Generation of Code ('Code Injection')
85
High Risk
This Affects:
elysiaTL;DR
Affected versions of this package are vulnerable to Arbitrary Code Execution due to improper sanitization of user input when dynamically generating code for cookie signing. The vulnerability exists because the cookie.secrets configuration is directly embedded into generated function code using string concatenation without proper escaping, allowing an attacker who can control this value to inject arbitrary JavaScript code.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
elysia is vulnerable to Improper Control of Generation of Code ('Code Injection') in versions 0.7.0 - 1.4.16.
How to fix this
Upgrade the elysia library to the patch version.
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SOC 2Compliant
ISO 27001Compliant