CVE-2026-86833 - MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes

CVE-2026-86833 - MetForm < 4.3.1 - Unauthenticated HTML Injection in Notification Emails via Field Shortcodes

https://cvefeed.io/rssfeed/latest.atom / Wed, 10/07/2026 - 10:51
CVE ID :CVE-2026-86833
Published : Oct. 7, 2026, 7:17 a.m. | 29 minutes ago
Description :The MetForm WordPress plugin before 4.3.1 does not sanitize or escape submitted form-field values before inserting them into the HTML body of its email notifications, allowing unauthenticated attackers to inject arbitrary markup into the administrator and submitter notification emails the site sends.
Severity: 5.4 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...

About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.