Vulnerability · Published Apr 10, 2026 · Assigned by Wordfence
CVE-2026-4305Royal WordPress Backup & Restore Plugin <= 1.0.16 - Reflected Cross-Site Scripting via 'wpr_pending_template' Parameter
Medium 6.1
In plain English
A medium-severity cross-site scripting in Royal WordPress Backup, Restore & Migration Plugin – Backup WordPress Sites Safely from wproyal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official description
The Royal WordPress Backup & Restore Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpr_pending_template' parameter in all versions up to, and including, 1.0.16 due to insufficient input validation. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick an administrator into performing an action such as clicking on a link.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wproyal | Royal WordPress Backup, Restore & Migration Plugin – Backup WordPress Sites Safely | 0 – through 1.0.16 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f9e0c658-b37c-4780-9589-6def9e36539b?source=cve
- https://plugins.trac.wordpress.org/browser/royal-backup-reset/tags/1.0.16/royal-backup-reset.php#L803
- https://plugins.trac.wordpress.org/browser/royal-backup-reset/tags/1.0.16/assets/backup-reminder.js#L751
- https://plugins.trac.wordpress.org/changeset?old_path=%2Froyal-backup-reset/tags/1.0.16&new_path=%2Froyal-backup-reset/tags/1.0.17