Vulnerability · Published Mar 25, 2025 · Assigned by Wordfence
CVE-2024-13731Alert Box Block – Display notice/alerts in the front end <= 1.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Alert Box Block
Medium 6.4
In plain English
A medium-severity cross-site scripting in Alert Box Block – Display Custom Alerts and Messages from bplugins. 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 22% of all known vulnerabilities).
Official description
The Alert Box Block – Display notice/alerts in the front end. plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Alert Box block in all versions up to, and including, 1.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| bplugins | Alert Box Block – Display Custom Alerts and Messages | 0 – through 1.1.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N