TI-2020-13459 Aliases CVE-2020-18748 GHSA-3ppf-x2gr-8g6c

Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code…

LOW 29CWE-79Published 2021-08-19 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

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

Summary

Cross Site Scripting (XSS) in Typora v0.9.65 allows attackers to execute arbitrary code via mathjax syntax due to a mathjax configuration error in the mathematical formula blocks. This is a different vulnerability from CVE-2020-18221.

Why it matters now

EPSS 0.00947 61st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:typora:typora:0.9.65:-::::::	0.9.65	Vulnerable	Typora

cpe:2.3:a:typora:typora:0.9.65:-:*:*:*:*:*:* Versions 0.9.65 Vulnerable ·Typora

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-18748
2026-10-03 Alias added: GHSA-3ppf-x2gr-8g6c

References

Exploit 1

https://github.com/typora/typora-issues/issues/2226

Advisory 1

https://github.com/typora

TI-2023-02173 Typora DOM-Based Cross-site Scripting leading to Remote Code Execution CVSS 3.1CRITICAL 9.6
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

See all 22 →

Sources

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