How severe is CVE-2026-13347?

CVE-2026-13347 has a CVSS base score of 7.5 out of 10, classified as HIGH. Organizations using affected software should prioritize remediation.

How do I check if CVE-2026-13347 affects my systems?

Review the CPE match data in the NVD entry for CVE-2026-13347 against your software inventory. Run a vulnerability scan targeting the affected component, check your asset management system for matching product versions and review vendor advisories for patch availability. If you lack internal scanning capability, an external vulnerability assessment can identify exposure.

CVE-2026-13347: Hide My WP Lite Directory traversal

TL;DR: This is a directory traversal vulnerability (CVSS 7.5 HIGH). Authentication: Not required (unauthenticated). Patch immediately.

What This Vulnerability Is

The Hide My WP Lite plugin for WordPress is vulnerable to Arbitrary File Read in versions up to and including 1.3 via the he_wrapper_js and he_wrapper_css query parameters processed by the elementor_assets_filter() function. This is due to the function concatenating user-supplied input directly onto ABSPATH and passing the result to file_get_contents() without any path traversal validation, allow-list, realpath containment or extension check; the result is then echoed in the HTTP response. Although the output is passed through wp_kses_post(), that function only filters HTML tags and does not prevent disclosure of arbitrary file contents. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the affected site's server (such as wp-config). Note: The exploit requires the Elementor plugin and the 'Hide Elementor' feature to be enabled.

The National Vulnerability Database assigned this issue a CVSS base score of 7.5, placing it in the HIGH category. The identifier CVE-2026-13347 was published on 2026-07-10T08:16:20.857.

CVE Identifier: CVE-2026-13347
CVSS Base Score: 7.5 / 10.0 (HIGH)
Published: 2026-07-10T08:16:20.857
NVD Entry: https://nvd.nist.gov/vuln/detail/CVE-2026-13347
MITRE Entry: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-13347

Who Is Affected

Based on the vulnerability data published by NVD, the following products and configurations are identified as affected:

Specific affected products are listed in the NVD entry. Review the CPE data for your stack.

If your organization uses any of the above, this vulnerability applies to your environment. Even if your specific version is not listed, review the full CPE match data to confirm.

What Attack Traffic Looks Like

Illustrative patterns for defensive detection. Not a working exploit.

Path traversal attempts use dot-dot-slash sequences to access files outside intended directories:

../../etc/passwd
..%2f..%2fetc%2fpasswd
....//....//etc/passwd
%2e%2e%2f%2e%2e%2f
..%252f..%252f (double encoding)

How to Detect It

Sigma Rule

title: Path Traversal in HTTP Request
id: auto-cwe22-detection
status: experimental
description: Detects directory traversal sequences in HTTP requests.
logsource:
  category: webserver
detection:
  selection:
    cs-uri-stem|re: '(\.\./|\.\.\\|%2e%2e%2f|%2e%2e/|\.%2e/|%252e%252e)'
  condition: selection
level: high

Detection Regex

(?i)(\.\./|\.\.\\|%2e%2e(%2f|/|\\)|%252e%252e)

IOC Hunt List

Access to sensitive system files (/etc/passwd, /etc/shadow, web.config) in access logs
HTTP responses containing system file content
Requests with unusually deep relative paths

What to Do About It

Here is what we recommend, in order of priority:

Check your exposure. Determine whether the affected software or component is present in your environment. Asset inventories and software composition analysis (SCA) tools are the fastest route.
Apply the patch. If a vendor patch or updated version is available, apply it. Check the references below for vendor advisories.
Mitigate if patching is not immediate. If you cannot patch right now, evaluate whether network segmentation, access control changes or configuration adjustments reduce the attack surface for this specific vulnerability.
Monitor for exploitation. Check whether proof-of-concept exploit code exists. The CISA Known Exploited Vulnerabilities catalog tracks actively exploited CVEs.
Document your response. Record what you checked, when you patched and what residual risk remains. This matters for compliance and for incident response if this vulnerability is exploited later.

Triage Quick Start

Run as administrator. Collect artifacts before applying patches or making changes:

# Linux/Unix systems
tar czf /tmp/triage-$(hostname)-$(date +%s).tgz \
  /var/log/syslog /var/log/auth.log /var/log/messages \
  /var/log/secure /var/log/apache2/ /var/log/nginx/ \
  /etc/passwd /etc/shadow \
  /root/.bash_history \
  /home/*/.bash_history \
  /tmp/ /var/tmp/ 2>/dev/null

# Windows systems (PowerShell)
# Compress-Archive -Path C:\Windows\System32\winevt\Logs\*,C:\inetpub\logs\* -DestinationPath C:\triage.zip

If you need help analyzing these artifacts, call Sherlock Forensics at 604.229.1994.

Why This Matters for Companies Without Security Teams

A CVSS score of 7.5 means this vulnerability is straightforward to exploit, likely to cause significant damage or both. For startups and small companies operating without a dedicated security team, vulnerabilities at this severity level represent real operational risk rather than theoretical concern.

The challenge is not awareness. Vulnerability databases are public. The challenge is triage: understanding whether a given CVE affects your specific stack and knowing what to do about it before an attacker does. If you lack the internal capacity to perform that assessment, an external review of your exposure is a concrete next step.

Sherlock Forensics provides vulnerability assessment and penetration testing for organizations that need to understand their attack surface without building a full internal security function.