WordPress 5.8.3 Security Release

WordPress 5.8.3 is a security update that addresses some recently discovered vulnerabilities as shown below. Props to Karim El Ouerghemmi and Simon Scannell of SonarSource for disclosing an issue with stored XSS through post slugs. Props to Simon Scannell of SonarSource for reporting an issue with Object injection in some multisite installations. Props to ngocnb and khuyenn from GiaoHangTietKiem JSC for …

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