PT-2021-10158 · Typora · Typora

Fupinglee · Published 2021-05-26 · Updated 2021-08-19 · CVE-2020-18221

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: Typora versions prior to 0.9.66

Description: The issue allows remote attackers to execute arbitrary code by injecting commands during block rendering of a mathematical formula. This is a result of a Cross Site Scripting (XSS) flaw.

Recommendations: For versions prior to 0.9.66, update to version 0.9.66 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-18221

Affected Products

Typora

References · 4

• 🔥 https://github.com/typora/typora-issues/issues/2204 · Exploit
• https://osv.dev/vulnerability/CVE-2020-18221 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-18221 · Security Note
• https://t.me/cibsecurity/27603 · Telegram Post