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
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Alert Box Block – Display notice/alerts in the front end <= 1.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Alert Box Block
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.
- Record
CVE-2024-13731- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-8058
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.
- Record
EUVD-2025-8058- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hppv-p84g-253f
The Alert Box Block – Display notice/alerts in the front end. plugin for WordPress is vulnerable...
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, 1.1.2 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.
- Record
GHSA-hppv-p84g-253f- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2024-13731- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-13731 is a medium vulnerability (CVSS 6.4) in Bplugins Alert Box Block – Display Custom Alerts And Messages, published March 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/d63cd13e-4a16-483f-8165-6c8090ceebab?source=cve
wordpress.org/plugins/alert-box-block
plugins.trac.wordpress.org/changeset?old_path=/alert-box-block/tags/1.1.3&new_path=/alert-box-block/tags/1.1.4&sfp_email=&sfph_mail=
nvd.nist.gov/vuln/detail/CVE-2024-13731
github.com/advisories/GHSA-hppv-p84g-253f