CVE-2025-6492 | BDVDB-2026-283532 Detail

MarkText

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-1333 Inefficient Regular Expression Complexity
CWE-400 Uncontrolled Resource Consumption

References#

Exploit#

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

History#

Version 12025-06-22Record published in the CVE List.
Version 22025-06-23Most recent update recorded in the CVE List.

Published

Published: 2025-06-22
Last modified: 2025-06-23

Vendor information

Vendor: Not stated
Product: MarkText

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 45.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Denial of Service

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
0.17.0
Fixed
Not stated
Vulnerable
0.17.1
Fixed
Not stated

Scoring System

CVSS v4.0

6.9 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

5.3 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	Low

CVSS v3.0

5.3 Medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	Low

CVSS v2

5.0 Medium

AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Metric breakdown
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).