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WordPress plugin

WP Maintenance Mode <= 2.0.6 — Remote Code Execution

CVE-2018-20156Published · Updated

Action summary

Affected: <2.0.7Update to 2.0.7 or newer

All remediation steps
Watch plugin
Severity
Critical9.1
CVSS
9.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:N User interaction
None
S:C Scope
Changed
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-20 Improper Input Validation
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

LightStart – Maintenance Mode, Coming Soon and Landing Page Builder wp-maintenance-mode

  1. Affected< 2.0.7
  2. Patched in2.0.7

Update to 2.0.7 or newer.

You are affected if you run < 2.0.7. Version 2.0.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under LightStart – Maintenance Mode, Coming Soon and Landing Page Builder.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.0.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch LightStart – Maintenance Mode, Coming Soon and Landing Page Builder to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Sean Murphy.

The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated "site administrator" users to execute arbitrary PHP code throughout a multisite network.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in LightStart – Maintenance Mode, Coming Soon and Landing Page Builder

All 7
More vulnerabilities in LightStart – Maintenance Mode, Coming Soon and Landing Page Builder
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
≤2.6.9Update to 2.6.10
CVE-2024-1047
Medium4.3Missing Authorization
≤2.6.8Update to 2.6.9
CVE-2023-7019
High8.8Cross-Site Request Forgery
≤2.4.4Update to 2.4.5
CVE-2022-1576
Medium5.4Missing Authorization
<2.0.7Update to 2.0.7
CVE-2018-20155
Medium4.3Authenticated Information Disclosure
<2.0.7Update to 2.0.7
CVE-2018-20154

Timeline

  1. CVE published

    Severity critical, CVSS 9.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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