CVE-2021-22878
Medium
Description
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.
SeverityMedium
CVSS4.8
Exploit probability—
Product
Nextcloud Server
PublishedMar 3, 2021
First seenMar 3, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- nextcloud nextcloud_server20.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | v < 20.0.6 | 20.0.6 |
| fedoraproject fedora | 34 | — |
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