CVE-2022-4226Public exploitNetwork attack vector

Stored XSS via unescaped email setting

Published Dec 26, 2022 · Updated Apr 14, 2025

Stored XSS in Simple Basic Contact Form before 20221201 allows remote authenticated users to execute scripts in a victim’s browser. The Plugin Options handler stores an email-address value and renders it into the settings page without sanitization or HTML-attribute escaping. Administrator-level access is required, and execution occurs when a victim points at the crafted field on sites where unfiltered_html is disabled, including multisite deployments.

CVSS severity4.8
Medium
EPSS probability0.53%
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 Simple Basic Contact Form before 20221201 allows remote authenticated users to execute scripts in a victim’s browser. The Plugin Options handler stores an email-address value and renders it into the settings page without sanitization or HTML-attribute escaping. Administrator-level access is required, and execution occurs when a victim points at the crafted field on sites where unfiltered_html is disabled, including multisite deployments.

The record

CVE
CVE-2022-4226
Published
Dec 26, 2022
Updated
Apr 14, 2025
Vendor
WP White Security
Product
Simple Basic Contact Form
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Dec 26, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 14, 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 <20221201

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WP White Security · Simple Basic Contact Formversion=0 <20221201

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8NVDCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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

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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