What is CVE-2024-13731?

CVE-2024-13731 is a medium-severity vulnerability in Bplugins Alert Box Block – Display Custom Alerts And Messages, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-03-25.

How severe is CVE-2024-13731?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Bplugins Alert Box Block – Display Custom Alerts And Messages

CVE-2024-13731

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Bplugins Alert Box Block – Display Custom Alerts And Messages — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2024-13731?: CVE-2024-13731 is a medium-severity vulnerability in Bplugins Alert Box Block – Display Custom Alerts And Messages, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-03-25.
How severe is CVE-2024-13731?: Medium severity. CVSS v3 base score is 6.4 out of 10.