CVE-2020-21058 describes a Cross-Site Scripting (XSS) vulnerability in Typora version 0.9.79, allowing remote attackers to execute arbitrary code through specially crafted mermaid syntax. This medium-severity vulnerability (CVSS 6.1) requires user interaction (UI:R) and has a low impact on confidentiality and integrity (C:L/I:L), as it can be exploited over a network (AV:N). Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, and it has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.9.79CPE matchmatch criteria | cpe:2.3:a:typora:typora:0.9.79:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.