External risk intelligence

WP Photo Album Plus SQL Injection Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.3)

CVE-2026-39511

An unauthenticated SQL injection vulnerability exists in the WP Photo Album Plus WordPress plugin. If reachable, attackers could inject malicious SQL code, potentially leading to database information exposure or service disruption. Confirming its use and exposure within the organization is important.

4Halo Surface Signal

SQL Injection

External exposure likelihood

Halo Surface Signal score for CVE-2026-39511

The vulnerability affects a WordPress plugin, which is typically deployed as part of a public-facing web application. Since the vulnerable component is part of the website's front-end functionality, it is commonly accessible to users over the public internet.

PCI scan relevance

PCI Relevance for CVE-2026-39511

Yes

CVE-2026-39511 — Halo PCI Relevance: Yes. Under typical PCI ASV external scan criteria, this issue may be flagged for scan prioritization.

This SQL injection vulnerability allows unauthenticated attackers to access sensitive database information, potentially causing a PCI 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

Horizon Alert

Summary of the vulnerability and why it matters

This advisory details a critical vulnerability in the WP Photo Album Plus WordPress plugin that could allow unauthenticated attackers to inject malicious SQL code, potentially impacting database integrity. The main concern at this time is confirming if this specific plugin is in use within the organization and understanding its exposure.

  • Unauthenticated code injection in a photo plugin.
  • Affects public-facing websites using the plugin.
  • Confirm relevance and exposure for any usage.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending specially crafted requests over the network to a site using the vulnerable plugin. This allows them to inject malicious SQL commands, potentially leading to unauthorized access to sensitive data or disruption of service.

  • No authentication required.
  • SQL injection via network requests.
  • Leads to data exposure or service disruption.

Live Threat

Current exploitation, exposure, and threat context

Unauthenticated SQL injection in WP Photo Album Plus could expose sensitive database information and potentially disrupt service. This occurs when a specially crafted request, sent over the network without requiring any user authentication, targets a weakness in how the plugin handles user input. The affected data is limited to what is accessible via the plugin's database queries.

  • Database information.
  • Network requests with malicious input.
  • Data exposure and service disruption.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This SQL injection vulnerability in the WP Photo Album Plus plugin requires immediate attention from the application owner, likely the website administrator or the team managing the WordPress deployment. The first practical step is to confirm the presence of the affected plugin, assess its exposure on public-facing websites, and identify the business criticality of the affected instances to prioritize remediation efforts.

  • Application owners should own the issue.
  • Verify plugin presence and public exposure.
  • Plan remediation based on risk.

Frequently asked questions

What is WP Photo Album Plus?

WP Photo Album Plus is a WordPress plugin designed for managing and displaying photo galleries and albums on websites. Users typically install it to add features like slideshows, image uploads, and organized media viewing to their web pages. Because it is a plugin, it integrates directly into the WordPress environment, processing user inputs to handle how photos are stored, retrieved, and presented to visitors.

What does CVE-2026-39511 mean by SQL injection?

This vulnerability is classified as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. Simply put, the plugin fails to properly clean data provided by a user before including it in database queries. This allows an attacker to send specially crafted input that is misinterpreted by the database as a command, potentially allowing them to view, modify, or disrupt the data the plugin manages.

How is this SQL injection triggered?

The flaw is triggered by sending a malicious request to the web server that targets the plugin's input fields. Because the plugin does not require any authentication, an attacker does not need to log in or have a user account to send these requests. The vulnerability is specific to how the plugin processes these network inputs; actions that do not involve interacting with the plugin's input parameters will not trigger this specific flaw.

Is my website at risk from this vulnerability?

Your risk depends on whether you have this plugin installed and if your site is reachable. According to Halo Surface Signal, this vulnerability is particularly relevant because it affects a WordPress plugin, which is often deployed on public-facing websites. If your instance is accessible over the public internet, it can be reached by unauthorized users, making it a primary concern for web administrators.

What steps should I take if I use this plugin?

Start by identifying all WordPress sites in your environment where WP Photo Album Plus is active. Once you have a list, evaluate which of those sites are exposed to the public internet, as these are the most critical to address first. Review the plugin's documentation or the developer's site for available security updates, and prioritize updating or disabling the affected plugin on your most exposed or business-critical websites immediately.

References

Sources and related resources

Primary sources: NVD, CVE.org.

NVDPublished