CVE-2021-20727

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Cross-site scripting vulnerability in Zettlr from 0.20.0 to 1.8.8 allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe into Zettlr.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 27, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20727: Medium severity, CVSS 6.1 | Vulnix