Is CVE-2026-6663 actively exploited?

No active exploitation of CVE-2026-6663 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6663 be exploited remotely?

Yes. CVE-2026-6663 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6663?

CVE-2026-6663 has a CVSS score of 4.8 (MEDIUM).

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MEDIUM

CVE-2026-6663

CWE-862Published: May 12, 2026· Updated: May 12, 2026

4.8

CVSS v3.1

EPSS:0.07%probability of exploitation in 30 daysPercentile:21.8th

Official Description

The GWD Connect plugin for WordPress is vulnerable to missing authorization to limited code execution in all versions up to, and including, 2.9. This is due to the plugin's standalone agent endpoints (gwd-backup.php and gwd-logs.php) not verifying authentication when the API key has not been configured, which is the default state. This makes it possible for unauthenticated attackers - on unregistered installations only, in certain environments - to execute arbitrary code on the server via the update_agent action, which writes attacker-supplied PHP code to the agent file.

NVD Source

Technical Analysis

CVE-2026-6663 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.