Weekly security digest: 12 October 2026

WordPress vulnerabilities

WordPress Core 7.1 - 7.1.2 - Unauthenticated Stored Cross-Site Scripting via Pending Comments

• WordPress core: affects 7.1.0 to 7.1.2, fixed in 7.1.3
• Severity: CVSS 7.2
• Read the advisory

WordPress Core 4.7.0 - 7.1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Imgur oEmbed

• WordPress core: affects 4.7.0 to 4.7.37, 4.8.0 to 4.8.32, 4.9.0 to 4.9.33, 5.0.0 to 5.0.29, 5.1.0 to 5.1.26, 5.2.0 to 5.2.28, 5.3.0 to 5.3.25, 5.4.0 to 5.4.23, 5.5.0 to 5.5.22, 5.6.0 to 5.6.21, 5.7.0 to 5.7.19, 5.8.0 to 5.8.17, 5.9.0 to 5.9.18, 6.0.0 to 6.0.16, 6.1.0 to 6.1.14, 6.2.0 to 6.2.13, 6.3.0 to 6.3.12, 6.4.0 to 6.4.12, 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 4.7.38
• Severity: CVSS 6.4
• Read the advisory

WordPress Core 4.7.0 - 7.1.2 - Unauthenticated Sensitive Information Exposure via Comment Feeds

• WordPress core: affects 4.7.0 to 4.7.37, 4.8.0 to 4.8.32, 4.9.0 to 4.9.33, 5.0.0 to 5.0.29, 5.1.0 to 5.1.26, 5.2.0 to 5.2.28, 5.3.0 to 5.3.25, 5.4.0 to 5.4.23, 5.5.0 to 5.5.22, 5.6.0 to 5.6.21, 5.7.0 to 5.7.19, 5.8.0 to 5.8.17, 5.9.0 to 5.9.18, 6.0.0 to 6.0.16, 6.1.0 to 6.1.14, 6.2.0 to 6.2.13, 6.3.0 to 6.3.12, 6.4.0 to 6.4.12, 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 4.7.38
• Severity: CVSS 5.3
• CVE: CVE-2026-66666
• Read the advisory

WordPress Core 6.5.0 - 7.1.2 - Authenticated (Author+) Second-Order SQL Injection via WXR Export

• WordPress core: affects 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 6.5.13
• Severity: CVSS 4.8
• Read the advisory

WordPress Core 4.7.0 - 7.1.2 - Authenticated (Author+) Unauthorized Sticky Post Modification via REST API

• WordPress core: affects 4.7.0 to 4.7.37, 4.8.0 to 4.8.32, 4.9.0 to 4.9.33, 5.0.0 to 5.0.29, 5.1.0 to 5.1.26, 5.2.0 to 5.2.28, 5.3.0 to 5.3.25, 5.4.0 to 5.4.23, 5.5.0 to 5.5.22, 5.6.0 to 5.6.21, 5.7.0 to 5.7.19, 5.8.0 to 5.8.17, 5.9.0 to 5.9.18, 6.0.0 to 6.0.16, 6.1.0 to 6.1.14, 6.2.0 to 6.2.13, 6.3.0 to 6.3.12, 6.4.0 to 6.4.12, 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 4.7.38
• Severity: CVSS 4.3
• Read the advisory

WordPress Core 4.7.0 - 7.1.2 - Authenticated (Contributor+) Denial of Service via Block Editor URL Details

• WordPress core: affects 4.7.0 to 4.7.37, 4.8.0 to 4.8.32, 4.9.0 to 4.9.33, 5.0.0 to 5.0.29, 5.1.0 to 5.1.26, 5.2.0 to 5.2.28, 5.3.0 to 5.3.25, 5.4.0 to 5.4.23, 5.5.0 to 5.5.22, 5.6.0 to 5.6.21, 5.7.0 to 5.7.19, 5.8.0 to 5.8.17, 5.9.0 to 5.9.18, 6.0.0 to 6.0.16, 6.1.0 to 6.1.14, 6.2.0 to 6.2.13, 6.3.0 to 6.3.12, 6.4.0 to 6.4.12, 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 4.7.38
• Severity: CVSS 4.3
• Read the advisory

WordPress Core 4.7.0 - 7.1.2 - Conditional Action Hook Injection via Unregistered Post Status or Post Type

• WordPress core: affects 4.7.0 to 4.7.37, 4.8.0 to 4.8.32, 4.9.0 to 4.9.33, 5.0.0 to 5.0.29, 5.1.0 to 5.1.26, 5.2.0 to 5.2.28, 5.3.0 to 5.3.25, 5.4.0 to 5.4.23, 5.5.0 to 5.5.22, 5.6.0 to 5.6.21, 5.7.0 to 5.7.19, 5.8.0 to 5.8.17, 5.9.0 to 5.9.18, 6.0.0 to 6.0.16, 6.1.0 to 6.1.14, 6.2.0 to 6.2.13, 6.3.0 to 6.3.12, 6.4.0 to 6.4.12, 6.5.0 to 6.5.12, 6.6.0 to 6.6.9, 6.7.0 to 6.7.9, 6.8.0 to 6.8.10, 6.9.0 to 6.9.9, 7.0.0 to 7.0.6, 7.1.0 to 7.1.2, fixed in 4.7.38
• Severity: CVSS 3.3
• Read the advisory

Vulnerability data from Wordfence Intelligence. Each entry links to its record. Copyright 2012-2026 Defiant Inc. Copyright 1999-2026 The MITRE Corporation. Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Releases

• WordPress: WordPress 7.1.3 Maintenance and Security Release (6 October 2026)