Is CVE-2020-19952 in the CISA KEV catalog?

No. CVE-2020-19952 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-19952?

CVE-2020-19952 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2020-19952?

CVE-2020-19952 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-19952?

Upgrade live \(github-flavored\) markdown editor to 2019-10-27 or later.

CVE & CISA-KEV Catalog

CVE-2020-19952

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

live \(github-flavored\) markdown editorNVD

Affected:< 2019-10-27Fixed in:2019-10-27CVE-2020-19952derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch2

Exploit1

github.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.