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CVE-2021-33562

28
FAUCET Score

CVE-2021-33562 is a reflected cross-site scripting (XSS) vulnerability affecting Shopizer versions prior to 2.17.0, allowing attackers to inject malicious web scripts through the 'ref' parameter in product URLs. Rated Medium with a CVSS score of 4.8, this vulnerability requires user interaction (UI:R) and high privileges (PR:H) for exploitation, potentially leading to limited impact on confidentiality and integrity. While not listed on the KEV catalog, an exploit (EDB-49901) is publicly available, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.17.0CPE matchmatch criteria
cpe:2.3:a:shopizer:shopizer:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.92%
Probability of exploitation in next 30 days
EPSS Percentile
85.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-49901 · May 24, 2021
This CVE's current EPSS score of 0.0292 is in the 98th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: com.shopizer:shopizerFixed in: 2.17.0

Vendor Advisories (1)

mavenGHSA-378p-hrq3-x4p3medium

Cross-site scripting in Shopizer

Jun 8, 2021

References

github.com / shopizer-ecommerce/shopizer/commit/197f8c78c8f673b957e41ca2c823afc654c19271
PatchThird Party Advisory
github.com / shopizer-ecommerce/shopizer/compare/2.16.0...2.17.0
PatchThird Party Advisory
exploit-db.com / exploits/49901
ExploitThird Party AdvisoryVDB Entry