CVE-2025-52662: devtools XSS — Exploit & Fix

Description

A vulnerability in Nuxt DevTools has been fixed in version **2.6.4***. This issue may have allowed Nuxt auth token extraction via XSS under certain configurations. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-52662-xss-on-nuxt-devtools

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CVSS v3.1 Score

6.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
nuxt	devtools	< 2.6.4

References

Advisories & Patches

https://github.com/nuxt/devtools/commit/7cadbbe9

Exploits

https://vercel.com/changelog/cve-2025-52662-xss-on-nuxt-devtools

Frequently Asked Questions

What is CVE-2025-52662? +

A vulnerability in Nuxt DevTools has been fixed in version **2.6.4***. This issue may have allowed Nuxt auth token extraction via XSS under certain configurations. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-52662-xss-on-nuxt-devtools It has a CVSS v3.1 base score of 6.9 (MEDIUM).

How severe is CVE-2025-52662? +

CVE-2025-52662 has a CVSS v3.1 score of 6.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-52662? +

CVE-2025-52662 affects products from nuxt, specifically: devtools. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-52662? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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