Vulnerability 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.
CVSS Score
5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Desktop | < 2.6.5 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/685552ExploitThird Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-027Broken LinkVendor Advisory
- https://security.gentoo.org/glsa/202009-09Third Party Advisory
- https://hackerone.com/reports/685552ExploitThird Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-027Broken LinkVendor Advisory
- https://security.gentoo.org/glsa/202009-09Third Party Advisory
FAQ
What is CVE-2020-8189?
CVE-2020-8189 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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.
How severe is CVE-2020-8189?
CVE-2020-8189 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-8189?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Desktop.