External risk intelligence

LoginPress Pro Unauthenticated Privilege Escalation

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-49058

A critical vulnerability exists in LoginPress Pro that allows unauthenticated attackers to escalate their privileges. This means an attacker could gain higher access levels without needing to log in, potentially impacting user authentication processes. It is important to determine if this plugin is used and accessible

Privilege Escalation

Halo Surface Signal

Very likely · external exposure

5Halo Surface Signal

The vulnerability exists in a WordPress plugin designed specifically to handle user authentication and login processes. Login pages are public-facing by design, making them internet-accessible endpoints in normal deployment configurations.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability allows unauthenticated attackers to escalate their privileges within LoginPress Pro. Given its critical severity and the potential for unauthenticated access, it's important to confirm if this specific plugin is in use within our environment.

  • Unauthenticated attackers can gain higher access levels.
  • Affects user login and authentication processes.
  • Confirm relevance and exposure in our systems.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by targeting the login page, which is accessible over the network. No authentication is required to initiate the attack. The vulnerability resides within the LoginPress Pro plugin, and successful exploitation could allow an attacker to gain elevated privileges within the system.

  • No authentication needed.
  • Exploited via the login page.
  • Allows privilege escalation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to escalate their privileges within the affected system, potentially gaining administrative access and altering system behavior. This is possible when the system is exposed to the network and the vulnerable component is accessible.

  • System administrative access.
  • Unauthenticated network access.
  • Unauthorized system control.

Operational Fix

Recommended remediation, mitigation, and detection steps

This critical vulnerability in LoginPress Pro affects unauthenticated privilege escalation. Application owners, potentially working with infrastructure or security teams, should first identify all instances of the affected plugin, confirm their exposure and criticality, and then prioritize remediation efforts based on risk.

  • Application owners should own the issue.
  • Verify external reachability and criticality first.
  • Plan risk-based remediation and vendor coordination.

Supplementary metadata

PCI scan relevance

Yes

CVE-2026-49058 — Halo PCI Relevance: Yes. Under typical PCI ASV external scan criteria, this issue may be flagged for scan prioritization.

This vulnerability allows unauthenticated privilege escalation, which is a critical security flaw that would likely cause a PCI ASV scan to fail.

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

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is LoginPress Pro?

LoginPress Pro is a plugin for WordPress sites used to customize and manage the user login and authentication experience. It allows administrators to modify the appearance and functionality of login pages, such as adding custom logos or security features, to create a consistent look for users accessing the platform.

How does CWE-266 apply to CVE-2026-49058?

This CVE represents a CWE-266 weakness, which refers to Incorrect Privilege Assignment. In the context of LoginPress Pro, this means a flaw in the code allows someone who is not logged in to perform actions or gain access levels that should be restricted to authenticated or administrative users, effectively bypassing the security controls that normally govern user permissions.

Do I need to be logged into a site to trigger this vulnerability?

No, you do not need an account or prior authentication to trigger this bug. The vulnerability is designed to be reached by unauthenticated users through the public-facing login interface. Normal administrative actions performed while already logged in as a legitimate user are not the focus of this issue; rather, it is the lack of required credentials that enables the unauthorized access.

Is my site at risk according to Halo Surface Signal?

Halo Surface Signal indicates a high level of concern because the affected component handles authentication processes and is, by its very nature, exposed to the internet. Since login pages are intended to be accessible to anyone trying to reach your site, they serve as public-facing endpoints that cannot be easily hidden, making them a direct target for this type of network-based vulnerability.

When should I respond to this security flaw?

You should respond immediately by verifying if you have the affected versions of LoginPress Pro installed. Once identified, work with your technical team to prioritize updating or patching the plugin. Because this vulnerability involves unauthorized privilege escalation, treating this as a high-priority task is necessary to prevent potential administrative takeovers of your site.

References