CVE-2026-86813 - MetForm < 4.1.9 - Unauthenticated Email Header Injection via Notification Reply-To

CVE-2026-86813 - MetForm < 4.1.9 - Unauthenticated Email Header Injection via Notification Reply-To

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/11/2026 - 13:31
CVE ID :CVE-2026-86813
Published : Sept. 11, 2026, 10:56 a.m. | 10 minutes ago
Description :The MetForm WordPress plugin before 4.1.9 does not properly neutralize newline characters in user-submitted values that are placed into notification email headers, allowing unauthenticated attackers to inject additional email headers, such as Bcc, into the emails the site sends when a submitted field value is configured to populate a header.
Severity: 0.0 | NA
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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.