CVE-2020-18748

MEDIUM EPSS 56.7%
Published Aug 19, 20214y ago · Modified Jun 17, 20262w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Aug 19, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
56.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
typoratypora0.9.65any

References 2

  • github.com https://github.com/typora
    Third Party Advisory
  • github.com https://github.com/typora/typora-issues/issues/2226
    ExploitIssue TrackingThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.