CVE-2026-82805

Summary

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.

Affected Software

VendorProductVersion RangeStatus
n/aTypora1.13.0affected
n/aTypora1.13.1affected
n/aTypora1.13.2affected
n/aTypora1.13.3affected
n/aTypora1.13.4affected
n/aTypora1.13.5affected
n/aTypora1.13.6affected
n/aTypora1.13.7affected
n/aTypora1.13.8affected
n/aTypora1.14.0affected
n/aTypora1.14.1affected
n/aTypora1.14.2affected
n/aTypora1.14.3affected
n/aTypora1.14.4affected
n/aTypora1.14.5affected
n/aTypora1.14.6affected
n/aTypora1.14.8unaffected

Weaknesses

  • CWE-79: Cross Site Scripting
  • CWE-94: Code Injection

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

References