CVE-2022-3906Public exploitNetwork attack vector

Stored XSS via unescaped button text setting

Published Dec 12, 2022 · Updated Apr 22, 2025

Stored XSS in WhiteStudio Easy Form Builder before 3.4.0 allows remote authenticated users to inject script through button text settings. The Button Settings Text field stores markup in the database and later renders it without sanitization or output escaping when the form functionality runs. Administrator-level access is required, and a user must view the affected form functionality for the stored script to execute in that user's browser.

CVSS severity4.8
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in WhiteStudio Easy Form Builder before 3.4.0 allows remote authenticated users to inject script through button text settings. The Button Settings Text field stores markup in the database and later renders it without sanitization or output escaping when the form functionality runs. Administrator-level access is required, and a user must view the affected form functionality for the stored script to execute in that user's browser.

The record

CVE
CVE-2022-3906
Published
Dec 12, 2022
Updated
Apr 22, 2025
Vendor
WhiteStudio
Product
Easy Form Builder
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 12, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 2025Record 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=0 <3.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WhiteStudio · Easy Form Builderversion=0 <3.4.0

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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