CVE-2024-34792: Dextaz Ping Command Injection Vulnerability

CVE-2024-34792 Overview

CVE-2024-34792 is a command injection vulnerability in the Dextaz Ping WordPress plugin developed by dexta. The flaw affects all versions from initial release through 0.65 and stems from improper neutralization of special elements passed to a shell command [CWE-77]. An authenticated attacker with high privileges can inject operating system commands through the plugin's ping functionality. Successful exploitation grants remote code execution on the underlying WordPress host with the privileges of the web server process.

Critical Impact
Authenticated attackers can achieve remote code execution on WordPress servers running vulnerable Dextaz Ping installations, compromising confidentiality, integrity, and availability of the host.

Affected Products

Dextaz Ping WordPress plugin versions through 0.65
WordPress sites with the dextaz_ping plugin installed and active
Any hosting environment running the vulnerable plugin

Discovery Timeline

2024-06-04 - CVE-2024-34792 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-34792

Vulnerability Analysis

The Dextaz Ping plugin exposes a ping utility that accepts a target host or address and passes it to an operating system command. The plugin fails to neutralize shell metacharacters such as ;, &, |, and backticks before invoking the underlying command. An attacker who supplies a crafted parameter can append arbitrary shell commands to the intended ping invocation.

Because the vulnerable functionality requires authentication with elevated privileges, exploitation is limited to users who already hold administrative access or equivalent roles that can access plugin actions. However, once triggered, the vulnerability yields full command execution under the web server user, enabling web shell installation, data exfiltration, and lateral movement.

Root Cause

The root cause is missing input sanitization in the code path that constructs the ping command string. User-supplied input is concatenated directly into the shell command executed by the PHP backend, satisfying the pattern described by CWE-77: Improper Neutralization of Special Elements used in a Command. No allow-list validation or argument escaping is applied prior to execution.

Attack Vector

The vulnerability is exploitable over the network against the WordPress administrative interface. An attacker authenticates to WordPress, navigates to the plugin's ping endpoint, and submits a target parameter containing shell metacharacters followed by attacker-controlled commands. The web server executes the appended commands as part of the ping invocation. See the Patchstack RCE Vulnerability Advisory for technical details.

Detection Methods for CVE-2024-34792

Indicators of Compromise

Unexpected child processes spawned by the PHP-FPM or Apache/Nginx worker process, such as sh, bash, wget, curl, or nc.
WordPress access logs containing POST requests to Dextaz Ping plugin endpoints with shell metacharacters (;, |, &&, backticks) in the target parameter.
New or modified files under wp-content/uploads/ or the plugin directory that resemble PHP web shells.
Outbound network connections from the web server to unfamiliar external hosts shortly after plugin endpoint access.

Detection Strategies

Monitor process-execution telemetry for the web server user launching ping with arguments containing shell separators or non-DNS characters.
Alert on WordPress plugin request parameters that contain URL-encoded shell metacharacters (%3B, %7C, %26).
Correlate authenticated administrator sessions with subsequent shell process activity on the WordPress host.

Monitoring Recommendations

Enable file integrity monitoring on the WordPress installation, including wp-content/plugins/dextaz-ping/.
Forward WordPress and web server logs to a centralized SIEM and retain them long enough to support incident response.
Track privileged WordPress account activity and flag first-time access to plugin ping features.

How to Mitigate CVE-2024-34792

Immediate Actions Required

Deactivate and remove the Dextaz Ping plugin from all WordPress installations until a patched version is confirmed available.
Rotate credentials for all WordPress administrator accounts and any secrets stored on the web host.
Review WordPress user roles and remove unnecessary administrative privileges to reduce the attackable population.
Inspect the WordPress host for web shells, cron persistence, and unauthorized outbound connections.

Patch Information

At the time of publication, the vendor advisory tracked by Patchstack lists the vulnerability as affecting Dextaz Ping through version 0.65 with no fixed version identified. Administrators should consult the Patchstack RCE Vulnerability Advisory for the current remediation status and remove the plugin if no patched release is available.

Workarounds

Uninstall the Dextaz Ping plugin and replace its functionality with a maintained alternative.
Restrict access to /wp-admin/ using IP allow-listing at the web server or WAF layer to limit exposure of authenticated attack surface.
Deploy a web application firewall rule that blocks requests to Dextaz Ping endpoints containing shell metacharacters in parameters.
Enforce least-privilege PHP execution so the web server user cannot spawn arbitrary shell binaries or write to sensitive paths.

bash

# Example: disable the plugin via WP-CLI on the affected host
wp plugin deactivate dextaz-ping
wp plugin uninstall dextaz-ping