CVE-2020-8189

Public Exploit

Description

A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.03% Top 15%
Vendor Advisory gentoo.org Vendor Advisory nextcloud.com
Affected: n/a Desktop Client
Published at:
Updated at:

References

Link Tags
https://hackerone.com/reports/685552 third party advisory exploit
https://nextcloud.com/security/advisory/?id=NC-SA-2020-027 broken link vendor advisory
https://security.gentoo.org/glsa/202009-09 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-8189?
CVE-2020-8189 has been scored as a medium severity vulnerability.
How to fix CVE-2020-8189?
To fix CVE-2020-8189, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8189 being actively exploited in the wild?
It is possible that CVE-2020-8189 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-8189?
CVE-2020-8189 affects n/a Desktop Client.
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