TI-2023-02173 Aliases CVE-2023-2317 GHSA-vwv2-9jpv-577p

Typora DOM-Based Cross-site Scripting leading to Remote Code Execution

HIGH 76CWE-79Published 2023-08-19 · Updated 2024-10-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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 it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.02442 84th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Typora (Typora): 1.6.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Typora	Typora	before 1.6.7	1.6.7	Patch available	CNA

Typora VendorTypora Affected before 1.6.7 Fixed in 1.6.7 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:typora:typora::::::::	before 1.6.7	Vulnerable	Typora
cpe:2.3:o:linux:linux_kernel:-:::::::*	not specified by NVD	Running on	Linux
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:typora:typora:*:*:*:*:*:*:*:* Versions before 1.6.7 Vulnerable ·Typora
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Typora (Typora) Fixed in 1.6.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2023-08-19
Typora 1.6.7
2 records Highest priority Priority HIGH 2 HIGH
Other records, highest priority first
- TI-2023-02172 Typora Local File DisclosurePriority HIGH 66
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-2317
2026-10-03 Alias added: GHSA-vwv2-9jpv-577p

References

Exploit 1

https://starlabs.sg/advisories/23/23-2317/

Advisory 1

https://support.typora.io/What's-New-1.6/

TI-2023-02172 Typora Local File Disclosure CVSS 3.1HIGH 7.4
TI-2020-13372 Cross Site Scripting (XSS) vulnerability found in Typora v.0.9.65 allows a remote… CVSS 3.1HIGH 7.4
TI-2024-22009 Typora v1.0.0 through v1.7 version (below) Markdown editor has a cross-site scripting… CVSS 3.1HIGH 7.3
TI-2023-02783 Typora Local File Disclosure CVSS 3.1MEDIUM 6.5
TI-2024-20929 An issue in Typora v.1.8.10 and before, allows a local attacker to obtain sensitive… CVSS 3.1MEDIUM 6.1
TI-2024-20928 Cross Site Scripting (XSS) vulnerability in Typora v.1.6.7 and before, allows a local… CVSS 3.1MEDIUM 6.1

See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences