CVE-2021-29996 is a critical arbitrary command execution vulnerability affecting Mark Text through version 0.16.3. An attacker can achieve Remote Code Execution (RCE) by tricking a user into opening a malicious .md file containing a mutation Cross-Site Scripting (XSS) payload. This vulnerability has a CVSS score of 9.6, indicating a high potential for complete compromise of confidentiality, integrity, and availability with low attack complexity. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.16.3CPE matchmatch criteria | cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.