hello.js vulnerabilities and fixes

Recent CVEs affecting hello.js, with upgrade or downgrade steps. 1 tracked.

Also searched as: hello js, hellojs.

hello.js has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 0. Most recent: 2023-08-11. Highest priority: CVE-2021-26505 (score 56/100).

• CVE-2021-26505 CRITICAL 9.8 DOWNGRADE Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbi

FAQ

How do I fix hello.js vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is hello.js being exploited right now?

None of the tracked hello.js CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which hello.js CVE should I patch first?

CVE-2021-26505 currently ranks highest (56/100): Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbi.

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