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CVE-2023-2318

28
FAUCET Score

CVE-2023-2318 is a critical DOM-based Cross-Site Scripting (XSS) vulnerability affecting MarkText versions 0.17.1 and earlier on Windows, Linux, and macOS. This flaw allows arbitrary JavaScript code execution within the MarkText main window if a user pastes malicious content copied from a webpage. With a CVSS score of 9.6 (Critical), the vulnerability is easily exploitable over the network with low complexity, requiring user interaction, and can lead to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.17.1CPE matchmatch criteria
cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*
>= 0, <= 0.17.1CPE match
cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
39.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 43rd percentile among its peer group of 834 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / marktext/marktext/issues/3618
ExploitIssue Tracking
starlabs.sg / advisories/23/23-2318
ExploitThird Party Advisory