CVE-2019-20374

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Summary

CVECVE-2019-20374
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-09 23:15:00 UTC
Updated2021-09-08 17:22:00 UTC
DescriptionA mutation cross-site scripting (XSS) issue in Typora through 0.9.9.31.2 on macOS and through 0.9.81 on Linux leads to Remote Code Execution through Mermaid code blocks. To exploit this vulnerability, one must open a file in Typora. The XSS vulnerability is then triggered due to improper HTML sanitization. Given that the application is based on the Electron framework, the XSS leads to remote code execution in an unsandboxed environment.

Risk And Classification

Problem Types: CWE-79

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Macos - All All All
Operating System Apple Mac Os - All All All
Operating System Apple Mac Os - All All All
Operating System Linux Linux Kernel - All All All
Operating System Linux Linux Kernel - All All All
Application Typora Typora All All All All
Application Typora Typora All All All All

References

ReferenceSourceLinkTags
Added better check for attribute based mXSS · cure53/DOMPurify@4e8af7b · GitHub MISC github.com Patch, Third Party Advisory
Typora RCE via mXSS · Issue #3124 · typora/typora-issues · GitHub MISC github.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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