CVE-2026-84740

Published 2 October 2026 · tracked since 2 October 2026

Description

The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-104606 MEDIUM 6.3
• CVE-2026-94541 CRITICAL 9.8
• CVE-2026-87920 HIGH 7.2
• CVE-2026-103552 HIGH 7.3
• CVE-2026-97663 HIGH 7.2
• CVE-2026-97338 MEDIUM 6.4
• CVE-2026-97342 HIGH 7.2
• CVE-2026-97634 MEDIUM 6.5
• CVE-2026-97637 CRITICAL 9.8
• CVE-2026-97641 HIGH 7.2

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