CVE-2025-66457 is an arbitrary code execution vulnerability affecting Elysia versions 1.4.17 and below, a Typescript framework. It arises when dynamic cookies are enabled and the cookie configuration, which is not sanitized, is injected into compiled routes. With a CVSS score of 8.8 (High), this vulnerability allows for full compromise (confidentiality, integrity, availability) with low attack complexity, though it typically requires write access to the application's source code or cookie configuration. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.18CPE matchmatch criteria | cpe:2.3:a:elysiajs:elysia:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.