What’s Vulnerable › Vulnerabilities

CVE-2020-19952

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-11 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross Site Scripting (XSS) vulnerability in Rendering Engine in jbt Markdown Editor thru commit 2252418c27dffbb35147acd8ed324822b8919477, allows remote attackers to execute arbirary code via crafted payload or opening malicious .md file.

Affected products

• Jbt Live (Github-Flavored) Markdown Editor: before 2019-10-27 — fixed in 2019-10-27

How to fix

Upgrade to a fixed version: Jbt Live (Github-Flavored) Markdown Editor 2019-10-27. Check the vendor advisory for mitigations.

References

• https://github.com/jbt/markdown-editor/commit/228f1947a5242a6fbe2995d72d21b7e5f5178f35
• https://github.com/jbt/markdown-editor/issues/106
• https://github.com/jbt/markdown-editor/pull/110
• https://github.com/jbt/markdown-editor/commit/228f1947a5242a6fbe2995d72d21b7e5f5178f35
• https://github.com/jbt/markdown-editor/issues/106
• https://github.com/jbt/markdown-editor/pull/110

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