CVE-2023-4994Known exploitationNetwork attack vector

Subscriber-level code execution via PHP shortcode

Published Sep 16, 2023 · Updated Apr 8, 2026

Code injection in Hit Reach Allow PHP in Posts and Pages 3.0.4 and earlier allows remote authenticated users to execute PHP code. The php shortcode interprets its body as server-side PHP without restricting execution to trusted roles. Subscriber-level access is sufficient; successful exploitation runs attacker-supplied PHP in the WordPress server context and can fully compromise the site.

CVSS severity9.9
Critical
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Hit Reach Allow PHP in Posts and Pages 3.0.4 and earlier allows remote authenticated users to execute PHP code. The php shortcode interprets its body as server-side PHP without restricting execution to trusted roles. Subscriber-level access is sufficient; successful exploitation runs attacker-supplied PHP in the WordPress server context and can fully compromise the site.

The record

CVE
CVE-2023-4994
Published
Sep 16, 2023
Updated
Apr 8, 2026
Vendor
Hit Reach
Product
Allow PHP in Posts and Pages
Classifications
CWE-94, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hit Reach · Allow PHP in Posts and Pagesversion=0 <=3.0.4

Published CVSS scores

6.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
9.9WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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