CVE-2022-0218Network attack vector

Unauthenticated stored XSS via permissive REST callback

Published Feb 4, 2022 · Updated Feb 10, 2025

Stored XSS in codemiq KG Email Template Designer – WP HTML Mail 3.0.9 and earlier allows remote attackers to inject JavaScript. The /themesettings GET and POST routes set permission_callback to __return_true, exposing getThemeSettings and saveThemeSettings without authorization. Injected script executes when an administrator opens the template editor, while arbitrary template changes can support phishing.

CVSS severity8.3
High
EPSS probability70.51%
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 codemiq KG Email Template Designer – WP HTML Mail 3.0.9 and earlier allows remote attackers to inject JavaScript. The /themesettings GET and POST routes set permission_callback to __return_true, exposing getThemeSettings and saveThemeSettings without authorization. Injected script executes when an administrator opens the template editor, while arbitrary template changes can support phishing.

The record

CVE
CVE-2022-0218
Published
Feb 4, 2022
Updated
Feb 10, 2025
Vendor
codemiq KG
Product
Email Template Designer – WP HTML Mail
Classifications
CWE-79, CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 4, 2022CVE publishedPublication date reported by the CVE source.
  2. Feb 10, 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=3.0.9 <=3.0.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

codemiq KG · Email Template Designer – WP HTML Mailversion=3.0.9 <=3.0.9

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
8.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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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