Is CVE-2021-38345 in the CISA KEV catalog?

No. CVE-2021-38345 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38345?

CVE-2021-38345 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-38345?

CVE-2021-38345 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38345?

Upgrade brizy-page builder to 1.0.1.126 or later.

CVE & CISA-KEV Catalog

CVE-2021-38345

HIGH

7.1

CVSS v3

NVD

Description

The Brizy Page Builder plugin <= 2.3.11 for WordPress used an incorrect authorization check that allowed any logged-in user accessing any endpoint in the wp-admin directory to modify the content of any existing post or page created with the Brizy editor. An identical issue was found by another researcher in Brizy <= 1.0.125 and fixed in version 1.0.126, but the vulnerability was reintroduced in version 1.0.127.

CWE-79Cross-Site Scripting (XSS)CWE-863Incorrect Authorization

How to fix

Remediation Available

brizy-page builderNVD

Affected:< 1.0.1.126Fixed in:1.0.1.126CVE-2021-38345derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

wordfence.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.