Low severity · published Sep 23, 2026
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
3.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
The Events Calendar ·
6.15.16.1 before 6.17.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-84743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-84743
wpscan.com
https://wpscan.com/vulnerability/6c20337d-f485-491c-a380-38a3039af17d/
More from The Events Calendar
9.1
CVE-2024-4180
The Events Calendar < 6.4.0.1 - Reflected XSS
7.5
CVE-2023-6203
The Events Calendar < 6.2.8.1 - Unauthenticated Arbitrary Password Protected Post Read
6.5
CVE-2026-84740
The Events Calendar 6.12.0 - 6.17.5 - Unauthenticated Arbitrary Shortcode Execution via 'view_data' Parameter
6.5
CVE-2024-1295
The Events Calendar (Free < 6.4.0.1, Pro < 6.4.0.1) - Contributor+ Arbitrary Events Access
5.3
CVE-2026-84741
The Events Calendar 4.5 - 6.17.4.1 - Unauthenticated Non-Public Venue and Organizer Disclosure via REST API