The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as control elements or syntactic markers when they are sent to a downstream component.
Volume of CVEs assigned to CWE-138 and their average CVSS base score over time.
Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.
13 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-42117CRITICAL Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations | May 3, 2024 | 9.8 | 34 | NO | NO |
CVE-2026-26129HIGH Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network. | May 7, 2026 | 7.5 | 33 | NO | NO |
CVE-2026-32178HIGH Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network. | Apr 14, 2026 | 7.5 | 31 | NO | NO |
CVE-2023-7012CRITICAL Insufficient data validation in Permission Prompts in Google Chrome prior to 117.0.5938.62 allowed an attacker who convinced a user to install a malicious app to potentially perfor | Jul 16, 2024 | 9.6 | 28 | NO | NO |
CVE-2016-0750HIGH The hotrod java client in infinispan before 9.1.0.Final automatically deserializes bytearray message contents in certain events. A malicious user could exploit this flaw by injecti | Sep 11, 2018 | 8.8 | 28 | NO | NO |
CVE-2024-38133HIGH Windows Kernel Elevation of Privilege Vulnerability | Aug 13, 2024 | 7.8 | 23 | NO | NO |
CVE-2025-5878HIGH A vulnerability was found in ESAPI esapi-java-legacy and classified as problematic. This issue affects the interface Encoder.encodeForSQL of the SQL Injection Defense. An attack le | Jun 29, 2025 | 7.3 | 22 | NO | NO |
CVE-2024-51500HIGH Meshtastic firmware is a device firmware for the Meshtastic project. The Meshtastic firmware does not check for packets claiming to be from the special broadcast address (0xFFFFFFF | Nov 4, 2024 | 7.5 | 22 | NO | NO |
CVE-2022-2429HIGH The Ultimate SMS Notifications for WooCommerce plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 1.4.1 via the 'Export Utility' functionality. T | Sep 6, 2022 | 8.0 | 20 | NO | NO |
CVE-2022-0024HIGH A vulnerability exists in Palo Alto Networks PAN-OS software that enables an authenticated network-based PAN-OS administrator to upload a specifically created configuration that di | May 11, 2022 | 7.2 | 20 | NO | NO |
Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.
Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.
Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.