WPDeveloper Templately Vulnerability Exposes Sensitive Data

WPDeveloper Templately Vulnerability Exposes Sensitive Data

The National Vulnerability Database has issued an advisory for CVE-2026-42379, a high-severity vulnerability (CVSS 7.7) affecting WPDeveloper’s Templately plugin for WordPress. This flaw, categorized as CWE-201 (Insertion of Sensitive Information Into Sent Data), allows for the retrieval of embedded sensitive data.

Specifically, the vulnerability exists in Templately versions up to and including 3.6.1. Attackers leveraging this flaw could potentially exfiltrate sensitive information that has been inadvertently included in data sent by the plugin. While the National Vulnerability Database does not specify the exact nature of the sensitive data, any unauthenticated exposure of such information presents a significant risk.

For defenders, this is a clear signal to audit WordPress installations using Templately. The attacker’s calculus here is straightforward: look for low-hanging fruit where sensitive data is mishandled, making recon and data exfiltration trivial. Patching is critical, but so is understanding what data is being handled by these plugins in the first place.

What This Means For You

  • If your organization uses the WPDeveloper Templately plugin, immediately verify your version. Patch to a fixed version beyond 3.6.1 without delay. Conduct an audit of your Templately configurations to ensure no sensitive data is being inadvertently embedded or transmitted.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

CVE-2026-42379 - Templately Sensitive Data Exposure via URI Query

Sigma YAML — free preview
title: CVE-2026-42379 - Templately Sensitive Data Exposure via URI Query
id: scw-2026-04-27-ai-1
status: experimental
level: high
description: |
  This rule detects attempts to exploit CVE-2026-42379 by targeting the Templately plugin's editor endpoint with a specific action to retrieve template data. This vulnerability allows for the exposure of sensitive information embedded within templates.
author: SCW Feed Engine (AI-generated)
date: 2026-04-27
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-42379/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/wp-content/plugins/templately/includes/public/assets/editor/editor.php'
      cs-uri-query|contains:
          - 'action=get_template_data'
      sc-status:
          - 200
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

✓ Sigma · Splunk SPL Sentinel KQL Elastic QRadar AQL Wazuh Get rules for your SIEM →

Indicators of Compromise

IDTypeIndicator
CVE-2026-42379 Information Disclosure WPDeveloper Templately plugin versions up to and including 3.6.1
CVE-2026-42379 Information Disclosure Insertion of Sensitive Information Into Sent Data
CVE-2026-42379 Information Disclosure Retrieve Embedded Sensitive Data
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 27, 2026 at 12:16 UTC

This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.

Believe this infringes your rights? Submit a takedown request.

Related coverage

Dell iDRAC10 Vulnerability: Low-Privilege Race Condition Grants High Access

CVE-2026-35155 — Dell iDRAC10, versions 1.20.70.50 and 1.30.05.10, contains an Insufficiently Protected Credentials vulnerability. A race condition vulnerability exists that could allow an authenticated low‑privileged...

vulnerabilityCVEhigh-severityrace-conditioncwe-522
/SCW Vulnerability Desk /HIGH /7.1 /⚑ 2 IOCs /⚙ 3 Sigma

GCHQ CyberChef XSS Vulnerability (CVE-2026-42615) Identified

CVE-2026-42615 — GCHQ CyberChef before 11.0.0 allows XSS via Show Base64 offsets, as demonstrated by the /#recipe=Show_Base64_offsets('%3Cscript substring.

vulnerabilityCVEhigh-severitycross-site-scripting-xsscwe-79
/SCW Vulnerability Desk /HIGH /7.2 /⚑ 3 IOCs /⚙ 2 Sigma

CVE-2026-23773 — Server-Side Request Forgery

CVE-2026-23773 — Dell Disk Library for Mainframe, version(s) DLm 8700/2700 contain(s) a Server-Side Request Forgery (SSRF) vulnerability. A low privileged attacker with remote access could...

vulnerabilityCVEmedium-severityserver-side-request-forgerycwe-918
/SCW Vulnerability Desk /MEDIUM /4.3 /⚑ 2 IOCs /⚙ 3 Sigma