What’s Vulnerable › Vulnerabilities
CVE-2026-84743: The Events Calendar 6.15.16.1 - 6.17.4.1 - Contributor+ Event/Venue/Organizer Update, Trash and Ownership Takeover via by-slug REST Routes
- Severity: low (CVSS 3.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-09-23
- Weakness: CWE-863
Description
The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.
Affected products
- stellarwp The Events Calendar: from 6.15.16.1 before 6.17.5 — fixed in 6.17.5
How to fix
Upgrade to a fixed version: stellarwp The Events Calendar 6.17.5. Check the vendor advisory for mitigations.
References
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