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CVE-2020-7741

CRITICALCVSS 9.9/10EPSS 1.46%

Last modified

CVE-2020-7741 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1).

Metrics

CVSS 3.1
9.9/10

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

EPSS Probability
1.46%

70.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Hello.Js ProjectHello.Js< 1.18.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-7741?
This affects the package hellojs before 1.18.6. The code get the param oauth_redirect from url and pass it to location.assign without any check and sanitisation. So we can simply pass some XSS payloads into the url param oauth_redirect, such as javascript:alert(1).
How severe is CVE-2020-7741?
CVE-2020-7741 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7741?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7741?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST