CVE-2025-3776: Verification SMS with TargetSMS <= 1.5 - Unauthenticated Limited Remote Code Execution

8.3 CVSS

Description

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().

Classification

CVE ID: CVE-2025-3776

CVSS Base Severity: HIGH

CVSS Base Score: 8.3

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Problem Types

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Vendor: cajka

Product: Verification SMS with TargetSMS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.15% (probability of being exploited)

EPSS Percentile: 36.29% (scored less or equal to compared to others)

EPSS Date: 2025-05-23 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3776
https://www.wordfence.com/threat-intel/vulnerabilities/id/ed08d248-7467-4a3b-91a2-4286d91b9c50?source=cve
https://plugins.trac.wordpress.org/browser/verification-sms-targetsms/trunk/inc/ajax.php#L7
https://plugins.trac.wordpress.org/browser/verification-sms-targetsms/trunk/inc/ajax.php#L9

Timeline