CVE-2023-23645 | WordPress MainWP Code Snippets Extension Plugin <= 4.0.2 - Subscriber+ Arbitrary PHP Code Injection/Execution Vulnerability

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.

Published: 2024-05-17 Last update: 2026-01-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-23645 is rated Moderate Risk (64.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.77%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-23645

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-31 1.47% 0.77% -0.70%
2 2026-01-24 1.10% 1.47% +0.37%
3 2026-01-22 1.10%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-23645

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.9 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.1 6.0 [email protected]

Weakness enumeration for CVE-2023-23645

Affected software / configurations for CVE-2023-23645

Vendor Product Version Raw CPE
mainwp code_snippets_extension < 4.0.3 cpe:2.3:a:mainwp:code_snippets_extension:*:*:*:*:*:wordpress:*:*

References for CVE-2023-23645

cvelogic Threat Intelligence