CVE-2023-23645

CRITICALNVD 9.99.9—

9.9

Improper Control of Generation of Code ('Code Injection') vulnerability in MainWP MainWP Code Snippets Extension allows Code Injection.This issue affects MainWP Code Snippets Extension: from n/a through 4.0.2.

CVSS v3: 9.9
EG Score: 9.9(medium)
EPSS: 73.9%
KEV: Not listed

Published

May 17, 2024

Last Modified

January 23, 2026

Advisory Details (1)

Auto-updated May 24, 2026

No patch confirmed yet.

generic

Arbitrary Code Execution in WordPress MainWP Code Snippets Extension Plugin - Patchstack

https://patchstack.com/database/vulnerability/mainwp-code-snippets-extension/wordpress-mainwp-code-snippets-extension-plugin-4-0-2-subscriber-arbitrary-php-code-injection-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 19× 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.

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Frequently asked(5)

What is CVE-2023-23645?

CVE-2023-23645 is a critical vulnerability published on May 17, 2024. Improper Control of Generation of Code ('Code Injection') vulnerability in MainWP MainWP Code Snippets Extension allows Code Injection.This issue affects MainWP Code Snippets Extension: from n/a through 4.0.2.

When was CVE-2023-23645 disclosed?

CVE-2023-23645 was first published in the National Vulnerability Database on May 17, 2024, with the most recent update on January 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-23645 actively exploited?

CVE-2023-23645 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23645?

CVE-2023-23645 has a CVSS v3 base score of 9.9 (NVD).

How do I remediate CVE-2023-23645?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23645, 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-2023-23645

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Arbitrary Code Execution in WordPress MainWP Code Snippets Extension Plugin - Patchstack

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23645?

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Published

Last Modified

Advisory Details (1)

Frequently asked(5)

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