PT-2021-14184 · Zettlr · Zettlr

Eiji Mori · Published 2021-05-27 · Updated 2021-06-01 · CVE-2021-20727

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Zettlr versions 0.20.0 through 1.8.8

Description: A cross-site scripting issue allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe into the software.

Recommendations: For Zettlr versions 0.20.0 through 1.8.8, update to a version that contains a fix for this issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-20727

Affected Products

Zettlr

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-20727 · Security Note
• https://osv.dev/vulnerability/CVE-2021-20727 · Vendor Advisory
• https://github.com/Zettlr/Zettlr · Note
• https://zettlr.com · Note
• https://t.me/cvenotify/15148 · Telegram Post
• https://jvn.jp/en/jp/JVN98239374/index.html · Note