CVE-2023-2317: DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown fil

Q: How do I fix CVE-2023-2317?

typora: upgrade to 1.6.7. Exact commands for each OS are on this page.

Q: Is CVE-2023-2317 being exploited?

CVE-2023-2317 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-2317 affect?

CVE-2023-2317 affects typora. Severity is high (CVSS 8.6). 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 <

Q: How urgent is CVE-2023-2317?

Priority 61/100. High severity; Public exploit reference; On your watchlist

This week

HIGH 8.6WATCHLISTUPGRADE

CVE-2023-2317 is a high-severity flaw (CVSS 8.6) affecting typora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-08-19
Last modified	2026-06-17

Publisher (CNA): STAR Labs SG Pte. Ltd. · Vendor: typora

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-08-19 06:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

typora typora UPGRADE

Affected: < 1.6.7

Fixed in: 1.6.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy typora || rpm -q typora || typora --version

2. UPGRADE to 1.6.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade typora

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade typora

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2317?

typora: upgrade to 1.6.7. Exact commands for each OS are on this page.

Is CVE-2023-2317 being exploited?

CVE-2023-2317 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2317 affect?

CVE-2023-2317 affects typora. Severity is high (CVSS 8.6). 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 <

How urgent is CVE-2023-2317?

Priority 61/100. High severity; Public exploit reference; On your watchlist

Software pages

Windows vulnerabilities

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References

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