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CVE-2025-6492— MarkText index.js getRecommendTitleFromMarkdownString redos

Quick assessment

Affected
n/a MarkText
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MarkText是MarkText开源的一个markdown文件编辑器。 MarkText 0.17.1及之前版本存在安全漏洞，该漏洞源于文件marktext/src/main/utils/index.js中函数getRecommendTitleFromMarkdownString存在低效正则表达式复杂性。

CVSS 5.3 · Medium EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-6492

Vulnerability Information
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Vulnerability Title
MarkText index.js getRecommendTitleFromMarkdownString redos
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
MarkText 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MarkText是MarkText开源的一个markdown文件编辑器。 MarkText 0.17.1及之前版本存在安全漏洞，该漏洞源于文件marktext/src/main/utils/index.js中函数getRecommendTitleFromMarkdownString存在低效正则表达式复杂性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- MarkText 0.17.0 -

II. Public POCs for CVE-2025-6492

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III. Intelligence Information for CVE-2025-6492

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IV. Related Vulnerabilities

Same product: MarkText
Same vendor: n/a
Same weakness: CWE-1333

V. Comments for CVE-2025-6492

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