External risk intelligence

GIFT4U Blind SQL Injection Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2026-54809

A critical SQL injection vulnerability in the GIFT4U WordPress plugin allows attackers to inject malicious SQL commands. If reachable, this could lead to unauthorized access to or manipulation of sensitive data. Confirming the use of this plugin and assessing potential data exposure is crucial.

SQL Injection

Halo Surface Signal

Likely · external exposure

4Halo Surface Signal

This vulnerability affects a WordPress plugin, which is software typically installed on web servers to provide public-facing web functionality. As a web application component, it is commonly deployed in internet-accessible environments to facilitate user interactions, making it a likely target for network-based exploitation.

Horizon Alert

Summary of the vulnerability and why it matters

This is a critical SQL injection vulnerability in the GIFT4U plugin, which could allow attackers to access or manipulate data within systems that use the affected technology without needing any authentication. The primary concern is to confirm if this plugin is in use and assess any potential exposure.

  • Attackers can inject malicious SQL commands.
  • Important to confirm if this plugin is deployed.
  • Understand potential data access risks.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending specially crafted input over the network to a vulnerable component. This input can manipulate SQL queries, potentially leading to unauthorized access or modification of sensitive data.

  • Exposed to network.
  • SQL command injection.
  • Data compromise and denial of service.

Live Threat

Current exploitation, exposure, and threat context

A Blind SQL Injection vulnerability in the VillaTheme GIFT4U plugin could allow an attacker to infer information about the database when certain conditions are met. This may expose sensitive data to an unauthorized party.

  • Database information could be at risk.
  • Via specially crafted SQL queries.
  • Unauthorized disclosure of sensitive data.

Operational Fix

Recommended remediation, mitigation, and detection steps

This SQL injection vulnerability in the GIFT4U WordPress plugin likely falls under the responsibility of the web application or platform team managing the WordPress instance. The initial action should be to identify all instances of the plugin, assess their internet reachability and business criticality, and confirm the specific asset owner before planning remediation.

  • Web application team owns the issue.
  • Verify plugin instances and reachability.
  • Plan remediation based on risk.

Supplementary metadata

PCI scan relevance

Yes

CVE-2026-54809 — Halo PCI Relevance: Yes. Under typical PCI ASV external scan criteria, this issue may be flagged for scan prioritization.

This SQL injection vulnerability may cause a PCI ASV scan failure.

Scan-prioritization guidance only—not a PCI DSS certification or ASV attestation.

CVSS vector

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

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Frequently asked questions

What is the VillaTheme GIFT4U plugin?

GIFT4U is a WordPress plugin designed to help store owners manage gift cards and related customer incentives within their e-commerce platforms. It functions as an add-on for WooCommerce sites, allowing administrators to automate the creation, delivery, and redemption of digital gift cards directly through their existing web storefronts.

What does Blind SQL Injection mean for CVE-2026-54809?

This vulnerability is categorized as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. It means the plugin fails to properly filter user-supplied data before including it in database queries. In a 'blind' scenario, an attacker may not see direct error messages, but can instead infer sensitive database contents by sending specific queries and observing how the website responds or behaves over time.

How does an attacker trigger this SQL injection?

An attacker triggers this flaw by sending specially crafted, malicious input to the plugin over the network. This vulnerability does not require the attacker to have an account or be logged into the website to succeed. However, simply visiting the site or clicking links does not trigger the bug; the attacker must intentionally send structured requests designed to manipulate the underlying SQL command logic.

Why does Halo Surface Signal flag this as likely relevant?

Halo Surface Signal identifies this as likely relevant because the affected software is a WordPress plugin designed to provide public-facing e-commerce functionality. Because these plugins are intended to interact with site visitors over the internet, they are frequently deployed in environments that are directly reachable by external network traffic, increasing the likelihood that they are exposed to potential remote exploitation.

What should I do if I use the GIFT4U plugin?

First, verify whether your WordPress site currently has the GIFT4U plugin installed and determine which versions are in use. If you confirm the presence of the plugin, identify who manages your web application and ensure they are aware of the vulnerability. Focus your efforts on determining if the affected instances are internet-facing and work with your platform team to review available updates or security guidance from the vendor.

References

Sources and related resources

Primary sources: NVD, CVE.org.

NVDPublished