Vulnerability · Published May 12, 2020 · Assigned by hackerone
CVE-2020-8155
Medium 5.4
In plain English
A medium-severity cross-site scripting in Nextcloud Server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)1.1%top 33.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when opening a malicious PDF.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Server | 18.0.3 |
Weakness: CWE-79
References
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-019 x_refsource_MISC
- openSUSE-SU-2020:0667 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:0668 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:0670 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2020:1652 vendor-advisory, x_refsource_SUSE
- FEDORA-2020-c9863904de vendor-advisory, x_refsource_FEDORA