CVE-2026-13390: medium-severity vulnerability in The Events Calendar
The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulation
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
The Events Calendar WordPress plugin before 6.16.5.1 does not perform an authorization check on one of its Event Aggregator import REST API routes and skips an integrity check for a particular status value, allowing unauthenticated attackers to mark existing import records as failed and to store arbitrary content in a hidden comment record.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · The Events Calendarpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/c7d3b1c5-3b3a-4359-aa41-0dfccb091fa4/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — The Events Calendar
In the same product, most dangerous first.
CVE-2024-4180CRITICALThe Events Calendar < 6.4.0.1 - Reflected XSSEPSS 2.1%CVE-2024-5333MEDIUMThe Events Calendar < 6.8.2.1 - Unauthenticated Password Protected Event DisclosureEPSS 1.1%CVE-2023-6203—The Events Calendar < 6.2.8.1 - Unauthenticated Arbitrary Password Protected Post ReadEPSS 0.8%CVE-2024-1295MEDIUMThe Events Calendar (Free < 6.4.0.1, Pro < 6.4.0.1) - Contributor+ Arbitrary Events AccessEPSS 0.5%CVE-2024-8493MEDIUMThe Events Calendar < 6.6.4 - Admin+ Stored XSSEPSS 0.4%CVE-2026-84741MEDIUMThe Events Calendar 4.5 - 6.17.4.1 - Unauthenticated Non-Public Venue and Organizer Disclosure via REST APIEPSS 0.3%