CVE-2026-1922
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Description
The The Events Calendar Shortcode & Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ecs-list-events` shortcode `message` attribute in all versions up to, and including, 3.1.2 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.
Analysis
Stored cross-site scripting in The Events Calendar Shortcode & Block plugin for WordPress up to version 3.1.2 allows authenticated users with contributor-level access to inject malicious scripts through the `ecs-list-events` shortcode's `message` attribute due to inadequate input sanitization. When injected pages are accessed by other users, the malicious scripts execute in their browsers, potentially compromising session data or performing unauthorized actions. …
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Remediation
Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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