CVE-2019-10805

PoC —

CVSS 3.1

7.5 high

EPSS

1%p72

Published

Feb 28, 2020 (Feb 28, 2020)

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.

Vendors: sideralis
Products: valib.js
Weakness: CWE-668
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.4%)

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