CVE-2026-88997 - JSM Show Post Metadata < 4.9.1 - Contributor+ Stored XSS via Custom Field Meta Key

CVE-2026-88997 - JSM Show Post Metadata < 4.9.1 - Contributor+ Stored XSS via Custom Field Meta Key

https://cvefeed.io/rssfeed/latest.atom / Wed, 09/23/2026 - 10:33
CVE ID :CVE-2026-88997
Published : Sept. 23, 2026, 6:17 a.m. | 53 minutes ago
Description :The JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes in the session of a higher-privileged user who reviews the affected post.
Severity: 0.0 | NA
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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.