Is CVE-2021-4222 in the CISA KEV catalog?

No. CVE-2021-4222 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4222?

CVE-2021-4222 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-4222?

CVE-2021-4222 has an EPSS score of 0.80% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4222?

Upgrade wp-paginate to 2.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-4222

MEDIUM

4.8

CVSS v3

NVD

Description

The WP-Paginate WordPress plugin before 2.1.4 does not sanitise and escape its preset settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

wp-paginateNVD

Affected:< 2.1.4Fixed in:2.1.4CVE-2021-4222derived 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 RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit2

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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Markdown

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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.