What is CVE-2023-2317?

CVE-2023-2317 is a high-severity vulnerability in Linux Linux_kernel, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2023-08-19.

How severe is CVE-2023-2317?

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

Is CVE-2023-2317 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Linux Linux_kernel

CVE-2023-2317

DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.022 (79.9th 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

Public proof-of-concept exploits

d4n-sec/d4n-sec.github.io

References

info@starlabs.sg (release-notes, Vendor Advisory)
info@starlabs.sg (Exploit, Third Party Advisory, Mitigation, third-party-advisory)

Frequently asked questions

What is CVE-2023-2317?: CVE-2023-2317 is a high-severity vulnerability in Linux Linux_kernel, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2023-08-19.
How severe is CVE-2023-2317?: High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2023-2317 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.