VULNERABILITY INTELLIGENCE

CVE-2020-8189

CVSS score5.4 MEDIUM

EPSS probability1.40%

CISA KEVNot currently listed

Published2020-08-21

Last modified2026-06-17

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

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.

Weakness classification

support@hackerone.com: CWE-79
nvd@nist.gov: CWE-79

Primary references

support@hackerone.com — Exploit, Third Party Advisory
support@hackerone.com — Broken Link, Vendor Advisory
support@hackerone.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory