CVE-2017-11593

Name: CVE-2017-11593
Creator: NVD / NIST
Published: 2017-07-24T01:29:00.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.76%

Last modified Jun 17, 2026

CVE-2017-11593 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ooso	Markdown Preview Plus	<= 0.4.5

References

https://github.com/volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920Patch, Vendor Advisory
https://github.com/volca/markdown-preview/issues/60Exploit, Issue Tracking, Third Party Advisory
https://github.com/volca/markdown-preview/commit/1181f044a5457d5e1ac35804ecd84e05977f1920Patch, Vendor Advisory
https://github.com/volca/markdown-preview/issues/60Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 24, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11593?

How severe is CVE-2017-11593?

Severity scoring for CVE-2017-11593 is pending analysis. The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11593?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11593?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST