CVE-2026-5108
No known patch is available for this vulnerability.
The affected plugin has not been updated on WordPress.org since before this CVE was disclosed; the latest installable version is still vulnerable. If you have the affected software installed, you should uninstall or replace it rather than wait for an update.
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=2.2.43
Patches
Vulnerability mechanics
References
4- plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/js/register-sw.jsnvd
- plugins.trac.wordpress.org/browser/super-progressive-web-apps/tags/2.2.41/public/sw.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/0332e106-1f97-4c52-b084-ea15d31dee72nvd
News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (August 3, 2026 to August 9, 2026)Wordfence Blog · Aug 14, 2026