Remote code execution affecting WordPress The Events Calendar plugin
A critical vulnerability affecting The Events Calendar plugin for WordPress would allow an unauthenticated attacker to remotely execute arbitrary code on affected systems.
Description
Technical context and vulnerability details
The Events Calendar is a popular WordPress plugin designed for creating and managing events. This extension is affected by a vulnerability labeled CVE-2026-95606 resulting from unreliable data deserialization allowing object injection. Exploitation of this vulnerability would allow an unauthenticated attacker to manipulate serialized objects to execute arbitrary code remotely on the system. It is classified critical with a severity score of 9.8 according to CVSS V3.1.
Potential Risks & Impact
Potential consequences upon exploitation
- Remote Arbitrary Code Execution;
- Data privacy breach;
- System and data integrity breach;
- Breach of data availability;
Affected systems
Products, components and targeted versions
- Versions of The Events Calendar prior to or equal to 6.17.4;
Recommended Remediations & Actions
Immediate actions and recommended mitigations
- Update The Events Calendar to the latest stable version available;
Sources & External Links
Vendor security advisories and documentation
Advisory Specifications
CSIRT Emergency Response
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