WebSub (FKA. PubSubHubbub)
pubsubhubbub · plugin
Known security vulnerabilities for WebSub (FKA. PubSubHubbub). Find out in seconds which version runs on your site with WP Lens.
1 known vulnerabilities
latest Jan 24, 2024
Listed on wordpress.org · latest 4.0.1 · last updated Aug 21, 2026 · 100K+ installs
wordpress.org status checked on Oct 2, 2026
Vulnerabilities
- Medium 4.8
CVE-2024-0688admin≤ 3.1.4
WebSub (FKA. PubSubHubbub) <= 3.1.4 - Authenticated (Admin+) Stored Cross-Site Scripting
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).