CVE-2020-8294
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Nextcloud Server
PublishedFeb 3, 2021
First seenFeb 3, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- nextcloud nextcloud_server18.0.11, 19.0.5, 20.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | v < 18.0.11, 19.0.0 ≤ v < 19.0.5, 20.0.0 ≤ v < 20.0.2 | 18.0.11, 19.0.5, 20.0.2 |
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