Mark Text v0.16.3 was discovered to contain a DOM-based cross-site scripting (XSS) vulnerability which allows attackers to perform remote c…

published 2022-03-05 4y ago modified 2026-06-17 4mo ago also EUVD-2022-29813

cvss: 9.6; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

Mark Text v0.16.3 was discovered to contain a DOM-based cross-site scripting (XSS) vulnerability which allows attackers to perform remote code execution (RCE) via injecting a crafted payload into /lib/contentState/pasteCtrl.js.

Patch / fix

links 1

github.com/marktext/marktext#3002 pull request

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Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/marktext/marktext/issues/2990 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /marktext/marktext/pull/3002
patch, third-party-advisory
github.com /marktext/marktext/issues/2990
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-25069
NVD CVE-2022-25069

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