CVE-2022-21158

Name: CVE-2022-21158
Creator: NVD / NIST
Published: 2022-03-10T17:45:09.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2022-21158 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross-site scripting vulnerability in marktext versions prior to v0.17.0 due to improper handling of the link (with javascript: scheme) inside the document may allow an attacker to execute an arbitrary script on the PC of the user using marktext.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

A stored cross-site scripting vulnerability in marktext versions prior to v0.17.0 due to improper handling of the link (with javascript: scheme) inside the document may allow an attacker to execute an arbitrary script on the PC of the user using marktext.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.51%

39.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Marktext	Marktext	< 0.17.0

References

https://github.com/marktext/marktext/releases/tag/v0.17.0Release Notes, Third Party Advisory
https://jvn.jp/en/jp/JVN89524240/index.htmlThird Party Advisory, VDB Entry
https://github.com/marktext/marktext/releases/tag/v0.17.0Release Notes, Third Party Advisory
https://jvn.jp/en/jp/JVN89524240/index.htmlThird Party Advisory, VDB Entry

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21158?

How severe is CVE-2022-21158?

CVE-2022-21158 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21158?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21158?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST