Events Manager permits stored cross-site scripting through event attributes
Events Manager through 7.3.3 stores event attribute values using wp_unslash() without sanitization and renders the #_ATT{key} placeholder without output escaping. An Author or higher can store script in an event attribute; the same path is available without authentication when anonymous event submissions are enabled. The script executes when a visitor views the affected event page.
- Component
- Events Manager – Calendar, Bookings, Tickets, and more!
- Plugin slug
events-manager- Affected
- <= 7.3.3
- Safe version
7.3.5- Published
- Sep 05, 2026
This CVE was published Sep 05, 2026 and is one of 46 known issues for this plugin.
Update, patch or deactivate.
Update Events Manager to 7.3.5 or later, review submitted event attributes, and invalidate privileged sessions if affected event pages were viewed.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Events Manager - Calendar, Bookings, Tickets, and more! plugin for WordPress is vulnerable to Stored Cross-Site Scripting via event attribute values in all versions up to, and including, 7.3.3. This is due to insufficient input sanitization when storing attribute values (using only `wp_unslash()` without sanitization) and lack of output escaping when rendering the '#_ATT{key}' placeholder. This makes it possible for authenticated attackers, with Author-level access and above, or unauthenticated attackers when anonymous event submissions are enabled, to inject arbitrary web scripts that execute when any user views the affected event page.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N