Is CVE-2021-24464 in the CISA KEV catalog?

No. CVE-2021-24464 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-24464?

CVE-2021-24464 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2021-24464?

CVE-2021-24464 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-24464?

Upgrade youtube embed\, playlist and popup to 2.3.9 or later.

CVE & CISA-KEV Catalog

CVE-2021-24464

MEDIUM

5.4

CVSS v3

NVD

Description

The YouTube Embed, Playlist and Popup by WpDevArt WordPress plugin before 2.3.9 did not escape, validate or sanitise some of its shortcode options, available to users with a role as low as Contributor, leading to an authenticated Stored Cross-Site Scripting issue.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

youtube embed\, playlist and popupNVD

Affected:< 2.3.9Fixed in:2.3.9CVE-2021-24464derived 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 RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Exploit1

wpscan.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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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.