CVE-2021-33562

lowpriority · track · 30EPSS 0.029 · 87 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

2.92% (87th) EPSS

CVSS 3.5 · low

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

A reflected cross-site scripting (XSS) vulnerability in Shopizer before 2.17.0 allows remote attackers to inject arbitrary web script or HTML via the ref parameter to a page about an arbitrary product, e.g., a product/insert-product-name-here.html/ref= URL.

cvss

Technical severity, 0–10. One row per scoring source.

4.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–4.8

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.14.4mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-49901Shopizer 2.16.0 - 'Multiple' Cross-Site Scripting (XSS)PoC · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
shopizer shopizer< 2.17.0nvdUScpe:2.3:a:shopizer:shopizer:*:*:*:*:*:*:*:*
Maven com.shopizer:shopizer< 2.17.0osvUSpkg:maven/com.shopizer/shopizer

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-378p-hrq3-x4p3Cross-site scripting in Shopizer2021-06-08ghsa · osvUS
A reflected cross-site scripting (XSS) vulnerability in Shopizer before 2.17.0 allows remote attackers to inject arbitrary web script or HTML via the ref parameter to a page about an arbitrary product, e.g., a product/insert-product-name-here.html/ref= URL.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-05-24modified 2026-06-17

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+53061 more

references (9)

External citations — patches, advisories, analysis.

scry

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