CVE-2020-8294

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CVSS 3.1

5.4 medium

EPSS

<1%p58

Published

Feb 3, 2021 (Feb 3, 2021)

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.

Vendors: nextcloud
Products: nextcloud server
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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