CVE-2020-8294 — Cross-site Scripting in Server

CWE-79 — Cross-site Scripting3 documents3 sources
Severity
5.4MEDIUMNVD
EPSS
0.4%
top 39.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Nextcloud Server
Timeline
PublishedFeb 3
Latest updateMay 24

Description

A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages2 packages

▶NVDnextcloud/nextcloud_server19.0.0 — 19.0.5+2
▶CVEListV5nextcloud/nextcloud_serverFixed in 20.0.2, 19.0.5, 18.0.11

🔴Vulnerability Details

2
GHSA
GHSA-mjfh-rmmm-2mm7: A missing link validation in Nextcloud Server before 20↗2022-05-24
▶
CVEList
CVE-2020-8294: A missing link validation in Nextcloud Server before 20↗2021-02-03
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CVE-2020-8294 — Cross-site Scripting in Server | cvebase