What is CVE-2023-2318?

CVE-2023-2318 is a high-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2023-08-19.

How severe is CVE-2023-2318?

High severity. CVSS v3 base score is 8.6 out of 10.

XSS in Apple macOS

CVE-2023-2318

DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

info@starlabs.sg (issue-tracking, Exploit, Issue Tracking)
info@starlabs.sg (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2023-2318?: CVE-2023-2318 is a high-severity vulnerability in Apple macOS, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2023-08-19.
How severe is CVE-2023-2318?: High severity. CVSS v3 base score is 8.6 out of 10.