Vulnerability Report

CVE-2020-8189

Title: Nextcloud Desktop Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)

Proof Of Concept

No public PoC currently indexed for CVE-2020-8189.

CWE Category CWE-79

Published Date Aug 21, 2020

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 5.4 CVSS v3.1

Exploit Probability (EPSS)

1.40%

Vulnerability Summary

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.

Impacted Vendors

avira 1

google 1

nextcloud 1

Reference Links

https://hackerone.com/reports/685552 https://nextcloud.com/security/advisory/?id=NC-SA-2020-027 https://security.gentoo.org/glsa/202009-09 https://hackerone.com/reports/685552 https://nextcloud.com/security/advisory/?id=NC-SA-2020-027 https://security.gentoo.org/glsa/202009-09

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-8189 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

August 21, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


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

Affected Stack

No specific products linked.