Description
The Super Progressive Web Apps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `superpwa_settings[offline_message_txt]` setting in all versions up to, and including, 2.2.43. This is due to insufficient input sanitization and output escaping. The offline message value is stored without sanitization, passed to the frontend via `wp_localize_script()` without escaping, and rendered using `innerHTML` in the JavaScript snackbar component. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user triggers the offline snackbar.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
superpwa Super Progressive Web Apps
Default version status: unaffected
0 to ≤ 2.2.43affected
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0332e106-1f97-4c52-b084-ea15d31dee72?source=cve ↗
- https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/sw.php#L386 ↗
- https://plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/js/register-sw.js#L177 ↗
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3506063%40super-progressive-web-apps%2Ftrunk&old=3494263%40super-progressive-web-apps%2Ftrunk ↗