CVE-2020-8294

5.4
5.4 / 10
MEDIUM

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.

Weakness: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Published: 2021-02-03

Community Advisory

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CVE-2020-8294 Exploits

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Bug Bounty

Nextcloud: Stored XSS in markdown file with Nextcloud Talk using Internet Explorer

submitted by verg 3 months ago
publicly disclosed 9 days ago

Official CVE References

View references (2)