TI-2026-65671 Aliases CVE-2026-103339 GHSA-mq84-6p5r-rh8w

WordPress Metform plugin <= 4.3.0 - Cross Site Scripting (XSS) vulnerability

LOW 28CWE-79Published 2026-10-01 · Updated 2026-10-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
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.

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wpmet Metform metform allows Stored XSS.This issue affects Metform: from n/a through 4.3.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00127 2nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
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
roxnor	Metform	up to 4.3.0	—	No fix listed	CNA

Metform Vendorroxnor Affected up to 4.3.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-103339
2026-10-03 Alias added: GHSA-mq84-6p5r-rh8w

References

Other 1

https://patchstack.com/database/wordpress/plugin/metform/vulnerability/wordpress-metform-plugin-4-3-0-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2022-01323 Metform Elementor Contact Form Builder <= 2.1.3 - Sensitive Information Disclosure CVSS 3.1HIGH 7.5
TI-2023-00080 Metform Elementor Contact Form Builder <= 3.1.2 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
TI-2022-00697 WP Fundraising Donation and Crowdfunding Platform < 1.5.0 - Unauthenticated SQLi CVSS 3.1CRITICAL 9.8
TI-2026-19077 ElementsKit Elementor Addons < 3.7.9 Unauthenticated Mailchimp REST Endpoint CVSS 4.0CRITICAL 9.3
TI-2026-51983 WordPress FundEngine plugin <= 1.7.9 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
TI-2023-27806 WordPress Metform Elementor Contact Form Builder plugin <= 3.4.0 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8

See all 130 →

Sources

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