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CVE PROGRAM SOURCE RECORD6.8 Medium

CVE-2026-88997

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Unknown JSM Show Post Metadata

Default version status: unaffected

  • 0 to < 4.9.1affected

References