Verification SMS with TargetSMS Plugin up to 1.5 on WordPress targetvr_ajax_handler code injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Verification SMS with TargetSMS Plugin up to 1.5 on WordPress. This affects the function targetvr_ajax_handler. Executing a manipulation can lead to Remote Code Execution. This vulnerability appears as CVE-2025-3776. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Verification SMS with TargetSMS Plugin up to 1.5 on WordPress. This vulnerability affects the function targetvr_ajax_handler. The manipulation with an unknown input leads to a remote code execution vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Verification SMS with TargetSMS plugin for WordPress is vulnerable to limited Remote Code Execution in all versions up to, and including, 1.5 via the 'targetvr_ajax_handler' function. This is due to a lack of validation on the type of function that can be called. This makes it possible for unauthenticated attackers to execute any callable function on the site, such as phpinfo().

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2025-3776 since 04/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/24/2025). The MITRE ATT&CK project declares the attack technique as T1059.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Verification SMS with TargetSMS Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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