Alert: WordPress Security Updates – December 2023

WordPress has released a security update to address a critical remote code execution (RCE) vulnerability in the open-source content management system (CMS).

Affected Systems:

• WordPress versions prior to 6.4.1.

Security Risks

The identified vulnerability, recognized as a Property-Oriented Programming (POP) chain issue, can be exploited in conjunction with another flaw, potentially enabling attackers to execute arbitrary PHP code on vulnerable websites.

Recommended Actions

The National Cyber Security Authority (NCSA) strongly recommends to system administrators to:

• Follow WordPress Security updates to lower the risk of potential exploits, protect systems, and ensure their security.
• Apply the required and latest security updates as soon as possible.

The recommended software version for upgrade is:

• WordPress version 6.4.2.
• Before any update task, please ensure you have a recent backup that can easily be restored.

For further information and support, please contact NCSA by email at rwcsirt@ncsa.gov.rw or call us on 9009.

References

• WordPress Security Updates
• WordPress Releases