Vulnerability Details : CVE-2020-8120
A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-8120
- cpe:2.3:a:nextcloud:nextcloud_server:16.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8120
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8120
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-8120
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2020-8120
-
https://nextcloud.com/security/advisory/?id=NC-SA-2019-004
advisory – NextcloudBroken Link;Vendor Advisory
-
https://hackerone.com/reports/605915
#605915 Reflected XSS / Markup Injection in `index.php/svg/core/logo/logo` parameter `color`Exploit;Third Party Advisory
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