CVE-2024-13731 - CVE House
Back to Database
Status published Medium CVE-2024-13731

Alert Box Block – Display notice/alerts in the front end <= 1.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Alert Box Block

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-13731

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Nguyen Vuong Quoc
  • Pham Van Tam
  • Nguyen Khanh Hao

References

More from bplugins

View All →
CVE-2025-9203
Media Player Addons for Elementor <= 1.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widget Fields
Medium 6.4
CVE-2025-8680
B Slider - Gutenberg Slider Block for WP <= 2.0.0 - Authenticated (Subscriber+) Server-Side Request Forgery
Medium 4.3
CVE-2025-8676
B Slider - Gutenberg Slider Block for WP <= 2.0.0 - Authenticated (Subscriber+) Sensitive Information Exposure
Medium 4.3
CVE-2025-8418
B Slider- Gutenberg Slider Block for WP <= 1.1.30 - Authenticated (Subscriber+) Missing Authorization to Arbitrary Plugin Installation
High 8.8
CVE-2025-8059
B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function
Critical 9.8

Affected Vendor

Affected Software

Alert Box Block – Display Custom Alerts and Messages
Vulnerable Versions:
0

Timeline

Official Publish: March 25th, 2025
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact