VulnerabilityModified
CVE-2021-26505
Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.
CRITICAL 9.8EPSS 1.14%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.14% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- hello.js project/hello.js
- Source
- cve@mitre.org
References
- https://github.com/MrSwitch/hello.js/issues/634Issue Tracking
- https://github.com/MrSwitch/hello.js/issues/634Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.