Is CVE-2023-3956 actively exploited?

No active exploitation of CVE-2023-3956 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-3956 be exploited remotely?

Yes. CVE-2023-3956 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-3956?

CVE-2023-3956 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-3956

CWE-862Published: July 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user.

NVD Source

Risk Analysis

The InstaWP Connect plugin for WordPress suffers from a missing capability check, allowing unauthenticated attackers to perform administrative actions such as modifying users or site settings. Given the critical CVSS score of 9.8, this flaw represents a severe risk to site integrity and control.

There is no known public exploit for this vulnerability, though it is remotely exploitable due to the network-accessible vector.

Recommended Action

Update the InstaWP Connect plugin to a version beyond 0.0.9.18 to ensure proper capability checks are enforced.

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-2023-3956 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.