JSM Show Post Metadata < 4.9.1 - Contributor+ Stored XSS via Custom Field Meta Key
cve-program · CVE-2026-88997
PublishedThe 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.
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CVE-2026-88997 · CVE overview and exploitation status
cve-program · CVE-2026-88997
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