Unauthorized Access Vulnerability in Events Calendar Plugin by WordPress
CVE-2026-13390
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 27 July 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-13390?
The Events Calendar plugin for WordPress prior to version 6.16.5.1 features a security flaw that allows attackers to bypass authorization checks on specific Event Aggregator import REST API routes. This vulnerability can be exploited by unauthenticated users to mark existing import records as failed and insert arbitrary content into hidden comment records, potentially compromising the integrity of event data.
Affected Version(s)
The Events Calendar 0 < 6.16.5.1
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.