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CVE-2026-57643: WordPress WP Post Author plugin <= 3.9.1 - SQL Injection vulnerability

• Severity: high (CVSS 8.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-26 · updated 2026-10-25
• Weakness: CWE-89

Description

Contributor SQL Injection in WP Post Author <= 3.9.1 versions.

Affected products

• AF themes WP Post Author: through 3.9.1

References

• https://patchstack.com/database/wordpress/plugin/wp-post-author/vulnerability/wordpress-wp-post-author-plugin-3-9-1-sql-injection-vulnerability?_s_id=cve

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