CVE-2019-13506 — @nuxt/devalue before 1

@nuxt/devalue before 1.2.3, as used in Nuxt.js before 2.6.2, mishandles object keys, leading to XSS.

01What is this vulnerability?

@nuxt/devalue before 1.2.3, as used in Nuxt.js before 2.6.2, mishandles object keys, leading to XSS.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-07-11T13:07:05.000Z
• Last modified: 2024-08-04T23:57:38.722Z

09References

• github.com — https://github.com/nuxt/nuxt.js/releases/tag/v2.6.2
• github.com — https://github.com/nuxt/devalue/pull/8
• github.com — https://github.com/nuxt/nuxt.js/commit/0d5dfe71917191c5b07f373896311f2d8f6b75be
• github.com — https://github.com/nuxt/devalue/releases/tag/v1.2.3
• github.com — https://github.com/nuxt/nuxt.js/compare/c0776eb...8d14cd4
• www.npmjs.com — https://www.npmjs.com/advisories/814