What’s Vulnerable › Vulnerabilities

CVE-2021-29996

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-05 · updated 2026-06-17
• Weakness: CWE-79

Description

Mark Text through 0.16.3 allows attackers arbitrary command execution. This could lead to Remote Code Execution (RCE) by opening .md files containing a mutation Cross Site Scripting (XSS) payload.

Affected products

• MarkText: through 0.16.3

References

• https://github.com/marktext/marktext/issues/2548
• https://github.com/marktext/marktext/issues/2548

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