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CVE WatchSep 23, 2026

CVE-2026-88997

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-

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

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0-100

Published: Sep 23, 2026 · Last modified: Sep 23, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references
Related CVEs

No related CVEs by CWE or product.