Live › vulnerability › CVE-2026-119176
The CP Multi View Events Calendar WordPress plugin up to and including 1.4.43 does not sanitize the 'Subject' parameter of calendar events. A logged-in subscriber can store a script that runs in the browser of any user who opens the affected page.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-30 18:55 UTC. All times on this page are UTC.
Sites running CP Multi View Events Calendar version 1.4.43 or older where subscriber-level accounts exist, including sites that allow open registration. The calendar shortcode on a published page exposes the needed nonce to any subscriber. Sites without this plugin, or with it updated past 1.4.43, are not affected.
No product ranges from the sources yet.
1.4.43 or olderNo fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
The CP Multi View Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Subject' parameter in all versions up to, and including, 1.4.43 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The required nonce is localized to any published page carrying the calendar shortcode, making the adddetails endpoint reachable by any authenticated user with Subscriber-level access or above.
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