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.
References (3)
Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/685552
Broken Link, Vendor Advisory x_refsource_misc
https://nextcloud.com/security/advisory/?id=NC-SA-2020-027
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202009-09
Scores
CVSS v3
5.4
EPSS
0.0062
EPSS Percentile
70.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (1)
nextcloud/desktop
< 2.6.5
Published
Aug 21, 2020
Tracked Since
Feb 18, 2026