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WP Post Author – Author Box, Multiple Authors, Guest Authors & Custom Avatars

wp-post-author · plugin

Known security vulnerabilities for WP Post Author – Author Box, Multiple Authors, Guest Authors & Custom Avatars. Find out in seconds which version runs on your site with WP Lens.

7 known vulnerabilities

latest Aug 5, 2026

Listed on wordpress.org · latest 3.10.1 · last updated Aug 27, 2026 · 10K+ installs

wordpress.org status checked on Oct 2, 2026

Vulnerabilities

  • CVE-2026-57643contributor+≤ 3.9.1

    WordPress WP Post Author plugin <= 3.9.1 - SQL Injection vulnerability

    High 8.5

  • CVE-2024-56247high privilege≤ 3.8.2

    WordPress WP Post Author plugin <= 3.8.2 - SQL Injection vulnerability

    High 7.2

  • CVE-2024-8757admin≤ 3.8.1

    Boost Your Blog's Engagement with WP Post Author <= 3.8.1 - Authenticated (Administrator+) SQL Injection

    High 7.2

  • CVE-2026-11977author+≤ 3.9.1

    WP Post Author <= 3.9.1 - Authenticated (Author+) SQL Injection

    Medium 6.5

  • CVE-2024-37101login required≤ 3.6.7

    WordPress WP Post Author plugin <= 3.6.7 - Cross Site Scripting (XSS) vulnerability

    Medium 5.4

  • CVE-2024-34389login required≤ 3.6.4

    WordPress WP Post Author plugin <= 3.6.4 - Broken Access Control vulnerability

    Medium 4.3

  • CVE-2024-34387login required≤ 3.6.4

    WordPress WP Post Author plugin <= 3.6.4 - Rating Value Manipulation vulnerability

    Medium 4.3

The access label is read from the record's own text (e.g. “subscriber+”: subscriber and above). When the text names no role, CVSS decides between “login required” and “high privilege”; no role name is invented. “Needs a click”: the attack depends on a logged-in user following a link (CSRF, reflected XSS).

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