Companion Auto Update

companion-auto-update · plugin

Known security vulnerabilities for Companion Auto Update. Find out in seconds which version runs on your site with WP Lens.

3 known vulnerabilities

1 critical · 2 exploitable without logging in · latest Jul 15, 2025

Listed on wordpress.org · latest 3.9.4 · last updated Mar 21, 2026 · 40K+ installs

wordpress.org status checked on Oct 5, 2026

Vulnerabilities

CVE-2018-20973unauthenticated
The companion-auto-update plugin before 3.2.1 for WordPress has local file inclusion.
Critical 9.8
CVE-2018-20972unauthenticated · needs a click
The companion-auto-update plugin before 3.2.1 for WordPress has CSRF.
High 8.8
CVE-2025-4369admin≤ 3.9.2
Companion Auto Update <= 3.9.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via update_delay_days parameter
Medium 5.5

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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