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OpenAdvisories
Medium · 6.4 CVE-2025-5540 EUVD-2025-28588GHSA-c9hf-xcx8-2qjx

Event RSVP and Simple Event Management Plugin <= 4.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published Jun 26, 2025 · Updated Jul 29, 2026 · Assigned by Wordfence

Description

The Event RSVP and Simple Event Management Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

VendorProductAffectedFixed
emarket-design Event RSVP and Simple Event Management Plugin ≤ 4.1.0 —

References