CVE-2019-10805

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

valib through 2.0.0 allows Internal Property Tampering. A maliciously crafted JavaScript object can bypass several inspection functions provided by valib. Valib uses a built-in function (hasOwnProperty) from the unsafe user-input to examine an object. It is possible for a crafted payload to overwrite this function to manipulate the inspection results to bypass security checks.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-668

Affected software

Vendor	Product	Versions
n/a	valib	All versions including 2.0.0

References

https://snyk.io/vuln/SNYK-JS-VALIB-559015Exploit, Third Party Advisory
https://www.npmjs.com/package/valibThird Party Advisory
https://snyk.io/vuln/SNYK-JS-VALIB-559015Exploit, Third Party Advisory
https://www.npmjs.com/package/valibThird Party Advisory

Timeline

Published: Feb 28, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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