WordPress 7.1.4 Fixes Core Security Flaws, Including Upgrade-Process Code Execution Risk

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WordPress released version 7.1.4 on October 28, 2026 to patch several security vulnerabilities in its Core software. The most serious issue is a race condition in the upgrade process that could allow remote code execution under specific conditions. The update also addresses stored cross-site scripting flaws in blocks, the Customizer and the Interactivity API, plus an information disclosure bug that could expose unpublished Customizer changes. NHS England reported widespread scanning and exploitation attempts tied to the upgrade-process vulnerability on October 30. Experts advise site owners to back up their files and database, install the appropriate security release, and verify their site, noting that updating does not remove malware from an already compromised site.

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