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JSON API User

json-api-user · plugin

Known security vulnerabilities for JSON API User. Find out in seconds which version runs on your site with WP Lens.

2 known vulnerabilities

1 critical · 1 exploitable without logging in · 1 with public exploit code · latest Jul 3, 2026

Listed on wordpress.org · latest 4.1.4 · last updated Sep 7, 2026 · 1K+ installs

wordpress.org status checked on Oct 2, 2026

Vulnerabilities

  • CVE-2024-6624unauthenticated≤ 3.9.3

    JSON API User <= 3.9.3 - Unauthenticated Privilege Escalation

    Critical 9.8

  • CVE-2026-9626subscriber+≤ 4.1.0

    JSON API User <= 4.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'content' Parameter

    Medium 6.4

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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