CVE-2023-1263Network attack vector

Unauthenticated content disclosure via cmp_get_post_detail

Published Mar 7, 2023 · Updated Apr 8, 2026

Information exposure in NiteoThemes CMP – Coming Soon & Maintenance Plugin 4.1.6 and earlier allows remote attackers to read published content. The cmp_get_post_detail function returns the contents of a requested published post or page without enforcing the maintenance-mode visibility boundary. Exploitation requires no authentication or user interaction, but password-protected and unpublished content remains outside the reported impact.

CVSS severity5.3
Medium
EPSS probability1.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information exposure in NiteoThemes CMP – Coming Soon & Maintenance Plugin 4.1.6 and earlier allows remote attackers to read published content. The cmp_get_post_detail function returns the contents of a requested published post or page without enforcing the maintenance-mode visibility boundary. Exploitation requires no authentication or user interaction, but password-protected and unpublished content remains outside the reported impact.

The record

CVE
CVE-2023-1263
Published
Mar 7, 2023
Updated
Apr 8, 2026
Vendor
NiteoThemes
Product
CMP – Coming Soon & Maintenance Plugin
Classifications
CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 7, 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 <=4.1.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

NiteoThemes · CMP – Coming Soon & Maintenance Pluginversion=0 <=4.1.6

Published CVSS scores

5.3NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

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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