Is CVE-2021-4348 in the CISA KEV catalog?

No. CVE-2021-4348 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4348?

CVE-2021-4348 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-4348?

CVE-2021-4348 has an EPSS score of 0.66% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4348?

Upgrade ultimate gdpr \& ccpa compliance toolkit to 2.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-4348

HIGH

7.5

CVSS v3

NVD

Description

The Ultimate GDPR & CCPA plugin for WordPress is vulnerable to unauthenticated settings import and export via the export_settings & import_settings functions in versions up to, and including, 2.4. This makes it possible for unauthenticated attackers to change plugin settings and conduct attacks such as redirecting visitors to malicious sites.

CWE-862Missing Authorization CWE-601Open Redirect

How to fix

Remediation Available

ultimate gdpr \& ccpa compliance toolkitNVD

Affected:< 2.5Fixed in:2.5CVE-2021-4348derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.66%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Exploit1

blog.nintechnet.com

Third-Party Advisory1

wordfence.com

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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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 2026-04-08.