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CMP – Coming Soon & Maintenance Plugin by NiteoThemes: known security problems

13 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.

Updated

In short

There are 13 known security problems on this page. Each one has a fixed version. Updating to version 4.1.21 or newer covers every fixed problem listed here.

Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.

Get an email when your site is affected: install Watchfox AI (free)

This week

A stranger could do things on your site they should not be allowed to (from 4.1.19 up to and including 4.1.20)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • From 4.1.19 up to and including 4.1.20
Fixed in
4.1.21
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.21 or newer.
Official ID
CVE-2026-101138
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes 4.1.19 - 4.1.20 - Missing Authorization to Unauthenticated Maintenance Mode Bypass
First reported
Sources
This week

A stranger could use it to harm your site (up to and including 4.1.19)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.19
Fixed in
4.1.20
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.20 or newer.
Official ID
CVE-2026-13413
Report title
CMP - Coming Soon & Maintenance <= 4.1.19 - Unauthenticated Maintenance Mode Bypass
First reported
Sources
This week

Someone with an editor account on your site could take over your site as an admin (up to and including 4.1.17)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.17
Fixed in
4.1.18
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.18 or newer.
Official ID
CVE-2026-12470
Report title
CMP <= 4.1.17 - Authenticated (Editor+) Privilege Escalation via Arbitrary Option Update to cmp_ajax_import_settings AJAX Action
First reported
Sources
This week

Someone with an editor account on your site could take over your site as an admin (before 4.1.18)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.1.18
Fixed in
4.1.18
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.18 or newer.
Official ID
CVE-2026-13415
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes < 4.1.18 - Authenticated (Editor+) Privilege Escalation
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (before 4.1.18)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.1.18
Fixed in
4.1.18
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.18 or newer.
Official ID
CVE-2026-13414
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes < 4.1.18 - Missing Authorization to Unauthenticated Settings Change
First reported
Sources
This week

Someone with an editor account on your site could plant harmful code that runs for your visitors or admins

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.1.18
Fixed in
4.1.18
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.18 or newer.
Official ID
CVE-2026-13416
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes < 4.1.18 - Authenticated (Editor+) Stored Cross-Site Scripting
First reported
Sources
This week

Someone who already has an admin account could run their own code on your site and take it over

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.16
Fixed in
4.1.17
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.17 or newer.
Official ID
CVE-2026-6518
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes <= 4.1.16 - Missing Authorization to Authenticated (Administrator+) Arbitrary File Upload and Remote Code Execution
First reported
Sources
This week

Someone could run their own code on your site and take it over

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.13
Fixed in
4.1.15
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.15 or newer.
Official ID
CVE-2025-32118
Report title
CMP – Coming Soon & Maintenance <= 4.1.13 - Authenticated (Admin+) Arbitrary File Upload
First reported
Sources
This week

Someone could make your server visit other addresses on their behalf

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.10
Fixed in
4.1.11
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.11 or newer.
Official ID
CVE-2023-50374
Report title
CMP – Coming Soon & Maintenance <= 4.1.10 - Authenticated (Admin+) Server-Side Request Forgery
First reported
Sources
This week

Someone could use it to harm your site (up to and including 4.1.7)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.7
Fixed in
4.1.8
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.8 or newer.
Official ID
CVE-2023-2159
Report title
CMP – Coming Soon & Maintenance <= 4.1.7 - Maintenance Mode Bypass
First reported
Sources
This week

Someone could use it to harm your site (up to and including 4.1.6)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.6
Fixed in
4.1.7
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.1.7 or newer.
Official ID
CVE-2023-1263
Report title
CMP – Coming Soon & Maintenance Plugin by NiteoThemes <= 4.1.6 - Information Exposure
First reported
Sources
This week

A stranger could use it to harm your site (before 4.0.19)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.0.19
Fixed in
4.0.19
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 4.0.19 or newer.
Official ID
CVE-2022-0188
Report title
CMP - Coming Soon & Maintenance Plugin <= 4.0.18 - Unauthenticated Arbitrary CSS Update
First reported
Sources
This week

Someone could do things on your site they should not be allowed to

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.8.1
Fixed in
3.8.2
What to do
If your site has an affected version, update CMP – Coming Soon & Maintenance Plugin by NiteoThemes to version 3.8.2 or newer.
Official ID
CVE-2020-36730
Report title
CMP <= 3.8.1 - Missing Authorization
First reported
Sources

Where this comes from

We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.

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