CVE-2025-6492

Public Exploit
MarkText index.js getRecommendTitleFromMarkdownString redos

Description

A vulnerability has been found in MarkText up to 0.17.1 and classified as problematic. Affected by this vulnerability is the function getRecommendTitleFromMarkdownString of the file marktext/src/main/utils/index.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Category

5.5
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory vuldb.com
Affected: n/a MarkText
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.313609 technical description vdb entry
https://vuldb.com/?ctiid.313609 permissions required signature
https://vuldb.com/?submit.598208 third party advisory
https://github.com/marktext/marktext/pull/3952 issue tracking
https://github.com/mmmsssttt404/marktext/blob/c59b3ad423dfa082869933baf9f5d5c69bdcc560/test/unit/specs/match-electron-accelerator.spec.js#L155-L164 exploit

Frequently Asked Questions

What is the severity of CVE-2025-6492?
CVE-2025-6492 has been scored as a medium severity vulnerability.
How to fix CVE-2025-6492?
To fix CVE-2025-6492, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-6492 being actively exploited in the wild?
It is possible that CVE-2025-6492 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6492?
CVE-2025-6492 affects n/a MarkText.
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