CVE-2020-8189

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.

Affected

Desktop Client

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 NVD

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

1.40% chance of exploitation in the next 30 days, 72nd percentile

Published

2020-08-21

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://hackerone.com/reports/685552

Security advisories

• https://nextcloud.com/security/advisory/?id=NC-SA-2020-027
• https://security.gentoo.org/glsa/202009-09

References

• CVE Record
• NVD entry