CVE-2023-40606

CRITICALNVD 9.19.1—

9.1

Improper Control of Generation of Code ('Code Injection') vulnerability in Kanban for WordPress Kanban Boards for WordPress.This issue affects Kanban Boards for WordPress: from n/a through 2.5.21.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 65.6%
KEV: Not listed

Published

December 29, 2023

Last Modified

April 28, 2026

Advisory Details (1)

Auto-updated May 2, 2026

Patch available.

generic Patch Available

Arbitrary Code Execution in WordPress Kanban Boards for WordPress Plugin - Patchstack

https://patchstack.com/database/vulnerability/kanban/wordpress-kanban-boards-for-wordpress-plugin-2-5-21-arbitrary-code-execution-vulnerability?_s_id=cve

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

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

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:23 UTCepss_batch
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2026-06-06 13:46 UTCepss_batch
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2026-06-05 05:39 UTCOSV refresh
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2026-06-02 20:12 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-40606?

CVE-2023-40606 is a critical vulnerability published on December 29, 2023. Improper Control of Generation of Code ('Code Injection') vulnerability in Kanban for WordPress Kanban Boards for WordPress.This issue affects Kanban Boards for WordPress: from n/a through 2.5.21.

When was CVE-2023-40606 disclosed?

CVE-2023-40606 was first published in the National Vulnerability Database on December 29, 2023, with the most recent update on April 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40606 actively exploited?

CVE-2023-40606 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40606?

CVE-2023-40606 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2023-40606?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40606, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-40606

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Arbitrary Code Execution in WordPress Kanban Boards for WordPress Plugin - Patchstack

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-40606?

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Advisory Details (1)

Frequently asked(5)

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