High severity7.5NVD Advisory· Published Feb 28, 2020· Updated Jun 17, 2026
CVE-2019-10805
CVE-2019-10805
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
valibnpm | <= 2.0.0 | — |
Affected products
3- valib/valibdescription
Patches
Vulnerability mechanics
References
4- snyk.io/vuln/SNYK-JS-VALIB-559015nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-pmpr-vc5q-h3jwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-10805ghsaADVISORY
- www.npmjs.com/package/valibnvdThird Party AdvisoryWEB
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