CVE-2017-11593

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-07-24 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-site scripting (XSS) vulnerability in the Markdown Preview Plus extension before 0.5.7 for Chrome allows remote attackers to inject arbitrary web script or HTML into some web applications via the upload and display of crafted text, markdown, or rst files that are designed to be viewed in the browser as plain text, but that will be converted to HTML without proper sanitization.

Affected products

Ooso Markdown Preview Plus: through 0.4.5

References

https://github.com/volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920
https://github.com/volca/markdown-preview/issues/60
https://github.com/volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920
https://github.com/volca/markdown-preview/issues/60

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