Is CVE-2023-51414 actively exploited?

No active exploitation of CVE-2023-51414 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51414 be exploited remotely?

Yes. CVE-2023-51414 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-51414?

CVE-2023-51414 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-51414

CRITICAL

CVE-2023-51414

CWE-502Published: December 29, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Deserialization of Untrusted Data vulnerability in EnvialoSimple EnvíaloSimple: Email Marketing y Newsletters.This issue affects EnvíaloSimple: Email Marketing y Newsletters: from n/a through 2.1.

NVD Source

Risk Analysis

The EnvíaloSimple plugin for WordPress is affected by a deserialization of untrusted data vulnerability, potentially allowing for remote code execution. This critical flaw has a CVSS score of 9.8 and is not currently listed in the CISA KEV.

There is no known public exploit for this vulnerability. It is remotely exploitable.

Recommended Action

Update the EnvíaloSimple plugin to a version beyond 2.1. Ensure that input validation is applied to all serialized data.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-51414 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.