CVE-2021-33561

Name: CVE-2021-33561
Creator: NVD / NIST
Published: 2021-05-24T23:15:08.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 2.85%

Last modified Jun 17, 2026

CVE-2021-33561 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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. EPSS estimates a 2.85% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

2.85%

84.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Shopizer	Shopizer	< 2.17.0

References

https://github.com/shopizer-ecommerce/shopizer/commit/197f8c78c8f673b957e41ca2c823afc654c19271Patch, Third Party Advisory
https://github.com/shopizer-ecommerce/shopizer/compare/2.16.0...2.17.0Patch, Third Party Advisory
https://www.exploit-db.com/exploits/49901Exploit, Third Party Advisory, VDB Entry
https://github.com/shopizer-ecommerce/shopizer/commit/197f8c78c8f673b957e41ca2c823afc654c19271Patch, Third Party Advisory
https://github.com/shopizer-ecommerce/shopizer/compare/2.16.0...2.17.0Patch, Third Party Advisory
https://www.exploit-db.com/exploits/49901Exploit, Third Party Advisory, VDB Entry

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33561?

How severe is CVE-2021-33561?

CVE-2021-33561 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 2.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33561?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33561?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST