CVE-2023-50374Network attack vector

Internal service access via unrestricted Mailchimp form requests

Published Mar 28, 2024 · Updated Apr 28, 2026

SSRF in NiteoThemes CMP – Coming Soon & Maintenance 4.1.10 and earlier allows remote authenticated users to request arbitrary URLs. The Mailchimp form retrieval path sends a server-side request to an administrator-controlled destination without restricting the target. Administrator access is required; successful requests can query or modify internal services reachable by the site.

CVSS severity5.5
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in NiteoThemes CMP – Coming Soon & Maintenance 4.1.10 and earlier allows remote authenticated users to request arbitrary URLs. The Mailchimp form retrieval path sends a server-side request to an administrator-controlled destination without restricting the target. Administrator access is required; successful requests can query or modify internal services reachable by the site.

The record

CVE
CVE-2023-50374
Published
Mar 28, 2024
Updated
Apr 28, 2026
Vendor
NiteoThemes
Product
CMP – Coming Soon & Maintenance
Classifications
CWE-918, T1046
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=n/a <=4.1.10 changes=[{"at":"4.1.11","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

NiteoThemes · CMP – Coming Soon & Maintenanceversion=n/a <=4.1.10 changes=[{"at":"4.1.11","status":"unaffected"}]

Published CVSS scores

5.5PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1046Network Service Discovery

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.

Technologies

Your stack

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Your stack

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