TI-2022-00155 Aliases CVE-2022-0218 GHSA-6434-hpfm-8425

WP HTML Mail <= 3.0.9 Missing Authorization on REST-API Route

HIGH 78CWE-79Published 2022-02-04 · Updated 2025-02-10

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting, Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-862.

Summary

The WP HTML Mail WordPress plugin is vulnerable to unauthorized access which allows unauthenticated attackers to retrieve and modify theme settings due to a missing capability check on the /themesettings REST-API endpoint found in the ~/includes/class-template-designer.php file, in versions up to and including 3.0.9. This makes it possible for attackers with no privileges to execute the endpoint and add malicious JavaScript to a vulnerable WordPress site.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.66406 99th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
codemiq	WP HTML Mail	3.0.9 – 3.0.9	—	No fix listed	CNA

WP HTML Mail Vendorcodemiq Affected 3.0.9 – 3.0.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:codemiq:wordpress_email_template_designer::::::wordpress::*	up to 3.0.9	Vulnerable	codemiq

cpe:2.3:a:codemiq:wordpress_email_template_designer:*:*:*:*:*:wordpress:*:* Versions up to 3.0.9 Vulnerable ·codemiq

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-0218
2026-10-03 Alias added: GHSA-6434-hpfm-8425

References

Exploit 1

https://www.wordfence.com/blog/2022/01/unauthenticated-xss-vulnerability-patched-in-html-email-template-designer-plugin/

Patch 1

https://plugins.trac.wordpress.org/changeset/2656984/wp-html-mail/trunk/includes/class-template-designer.php

TI-2021-04005 Cross-site request forgery in codemiq WordPress Email Template Designer - WP HTML Mail CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences