CVE-2021-29996

9.6 criticalEPSS 2.8%

Critical (9.6) in marktext marktext. EPSS 2.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.6 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS: 2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-04-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

marktext:marktext

References

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

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