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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (43.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Apple macOS
- Linux Kernel
- Marktext — versions 0
- Microsoft Windows
Weakness classification (CWE)
References
- github.com/marktext/marktext/issues/3618 (issue-tracking, Exploit, Issue Tracking)
- starlabs.sg/advisories/23/23-2318/ (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.