PT-2023-11573 · Typora · Typora

Nohackai · Published 2023-06-20 · Updated 2024-12-10 · CVE-2020-21058

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 version 0.9.79

Description The issue allows a remote attacker to execute arbitrary code via the mermaid syntax, which is a Cross Site Scripting vulnerability.

Recommendations For Typora version 0.9.79, update to a newer version that contains a fix for this issue. As a temporary workaround, consider disabling the mermaid syntax feature until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-21058

Affected Products

Typora

References · 5

• 🔥 https://github.com/typora/typora-issues/issues/2959 · Exploit
• https://osv.dev/vulnerability/CVE-2020-21058 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-21058 · Security Note
• https://t.me/cvenotify/103724 · Telegram Post
• https://t.me/cvenotify/52691 · Telegram Post