CVE-2021-47924Public exploitNetwork attack vector

Browser script execution via stored price payload

Published May 10, 2026 · Updated May 10, 2026

Stored cross-site scripting in Etoile Web Design Ultimate Product Catalog 5.8.2 allows remote authenticated users to inject scripts via price. The post.php request handler stores HTML or JavaScript supplied in the price parameter and later renders it without neutralization when a product is viewed. A valid WordPress account and a later product view are required; the injected script executes in the viewer’s browser under the site’s origin.

CVSS severity5.1
Medium
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Etoile Web Design Ultimate Product Catalog 5.8.2 allows remote authenticated users to inject scripts via price. The post.php request handler stores HTML or JavaScript supplied in the price parameter and later renders it without neutralization when a product is viewed. A valid WordPress account and a later product view are required; the injected script executes in the viewer’s browser under the site’s origin.

The record

CVE
CVE-2021-47924
Published
May 10, 2026
Updated
May 10, 2026
Vendor
Etoile Web Design
Product
Ultimate Product Catalog
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2026CVE publishedPublication date reported by the CVE source.
  2. May 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.8.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Etoile Web Design · Ultimate Product Catalogversion=5.8.2

Published CVSS scores

5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.4VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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