CVE-2020-8294

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	Nextcloud Server	Fixed in 20.0.2, 19.0.5, 18.0.11

References

https://hackerone.com/reports/1023787Permissions Required, Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-002Vendor Advisory
https://hackerone.com/reports/1023787Permissions Required, Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-002Vendor Advisory

Timeline

Published: Feb 3, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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