CVE-2026-82805

Typora Mermaid Rendering cross site scripting

State
Published
Severity
5.3 Medium
Published
Aug 31, 2026
Updated
Aug 31, 2026
Reserved
Aug 31, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS: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:PVulDB
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:CVulDB
3.04.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:CVulDB
2.05.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
Typoran/a
  • 1.13.0Affected
  • 1.13.1Affected
  • 1.13.2Affected
  • 1.13.3Affected
  • 1.13.4Affected
  • 1.13.5Affected
  • 1.13.6Affected
  • 1.13.7Affected
  • 1.13.8Affected
  • 1.14.0Affected
  • 1.14.1Affected
  • 1.14.2Affected
  • 1.14.3Affected
  • 1.14.4Affected
  • 1.14.5Affected
  • 1.14.6Affected
  • 1.14.8Not affected

References

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