CVE-2025-6492

MEDIUM

MarkText <= 0.17.1 - Inefficient Regular Expression Complexity in getRecommendTitleFromMarkdownString

Title source: llm

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.

References (5)

Core 5

Core References

Permissions Required, VDB Entry vdb-entry technical-description

https://vuldb.com/?id.313609

Permissions Required, VDB Entry signature permissions-required

https://vuldb.com/?ctiid.313609

Permissions Required, VDB Entry third-party-advisory

https://vuldb.com/?submit.598208

Issue Tracking issue-tracking

https://github.com/marktext/marktext/pull/3952

Various Sources exploit

https://github.com/mmmsssttt404/marktext/blob/c59b3ad423dfa082869933baf9f5d5c69bdcc560/test/unit/specs/match-electron-accelerator.spec.js#L155-L164

View Writeup ZIP pw:eip

Scores

CVSS v3 5.3

EPSS 0.0045

EPSS Percentile 35.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-1333 CWE-400

Status published

Products (2)

n/a/MarkText 0.17.0

n/a/MarkText 0.17.1

Published Jun 22, 2025

Tracked Since Feb 18, 2026