The vulnerability identified as CVE-2025-31098 involves improper control of the filename used in PHP include or require statements within the debounce DeBounce Email Validator. This flaw allows an attacker to perform PHP Local File Inclusion (LFI), potentially enabling execution of arbitrary code or disclosure of sensitive files. The issue affects all versions of DeBounce Email Validator up to version 5.7. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, high impact on confidentiality, integrity, and availability, and requiring no privileges but user interaction with high attack complexity.

Successful exploitation of this vulnerability can lead to local file inclusion, which may allow attackers to execute arbitrary PHP code, access sensitive files, or disrupt service availability. The impact is rated high due to the potential for full system compromise or data leakage.

No official patch or remediation has been published by the vendor as of now. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider restricting access to the vulnerable application and avoid exposing it to untrusted users.