CVE-2021-23558

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The package bmoor before 0.10.1 are vulnerable to Prototype Pollution due to missing sanitization in set function. **Note:** This vulnerability derives from an incomplete fix in [CVE-2020-7736](https://security.snyk.io/vuln/SNYK-JS-BMOOR-598664)

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1321

Affected software

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

References

https://github.com/b-heilman/bmoor/commit/29b0162cc1dc1791fc060891f568b0ae29bc542bPatch, Third Party Advisory
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
https://snyk.io/vuln/SNYK-JS-BMOOR-2342622Exploit, Third Party Advisory
https://github.com/b-heilman/bmoor/commit/29b0162cc1dc1791fc060891f568b0ae29bc542bPatch, Third Party Advisory
https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
https://snyk.io/vuln/SNYK-JS-BMOOR-2342622Exploit, Third Party Advisory

Timeline

Published: Jan 28, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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