Is CVE-2021-33561 in the CISA KEV catalog?

No. CVE-2021-33561 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33561?

CVE-2021-33561 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-33561?

CVE-2021-33561 has an EPSS score of 2.85% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33561?

Upgrade shopizer to 2.17.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-33561

MEDIUMEPSS 85th pctl

4.8

CVSS v3

NVD

Description

A stored cross-site scripting (XSS) vulnerability in Shopizer before 2.17.0 allows remote attackers to inject arbitrary web script or HTML via customer_name in various forms of store administration. It is saved in the database. The code is executed for any user of store administration when information is fetched from the backend, e.g., in admin/customers/list.html.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

shopizerNVD

Affected:< 2.17.0Fixed in:2.17.0CVE-2021-33561derived 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

2.85%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch2

Exploit1

exploit-db.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.