CVE-2026-82805 PUBLISHED

Typora Mermaid Rendering cross site scripting

Assigner: VulDB
Reserved: 31.08.2026 Published: 31.08.2026 Updated: 31.08.2026

A vulnerability was found in Typora up to 1.13.8/1.14.6. This vulnerability affects unknown code of the component Mermaid Rendering Engine. The manipulation of the argument classDef/style results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 1.14.8 is able to resolve this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Product Status

Vendor n/a
Product Typora
Versions
  • Version 1.13.0 is affected
  • Version 1.13.1 is affected
  • Version 1.13.2 is affected
  • Version 1.13.3 is affected
  • Version 1.13.4 is affected
  • Version 1.13.5 is affected
  • Version 1.13.6 is affected
  • Version 1.13.7 is affected
  • Version 1.13.8 is affected
  • Version 1.14.0 is affected
  • Version 1.14.1 is affected
  • Version 1.14.2 is affected
  • Version 1.14.3 is affected
  • Version 1.14.4 is affected
  • Version 1.14.5 is affected
  • Version 1.14.6 is affected
  • Version 1.14.8 is unaffected

Credits

  • z0ng (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Cross Site Scripting CWE
  • Code Injection CWE