VDB
CVE-2021-22878
CVE-2021-22878
PUBLISHED
CVSS 4.800000190734863 MEDIUM
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.
EPSS 0.37% · 59.1th percentile
Risk Scores
CVSS 3.1
4.800000190734863
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score
0.37%
59.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | nextcloud_server | 0 |
| fedoraproject | fedora | 34 |
| n/a | Nextcloud Server | Fixed in 20.0.6 |
Timeline
- CVE Published
- Mar 1, 2021 PoC Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
References
- https://hackerone.com/reports/896522 url
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-005 url
- https://github.com/nextcloud/server/pull/25234 url
- FEDORA-2021-eac0e52f88 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-22878 advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S url