CVE-2018-20154: The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated users to discover all su

Q: How do I fix CVE-2018-20154?

wp maintenance mode: upgrade to 2.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2018-20154 being exploited?

CVE-2018-20154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-20154 affect?

CVE-2018-20154 affects wp maintenance mode. Severity is medium (CVSS 4.3). The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated users to discover all subscriber e-mail addresses.

Q: How urgent is CVE-2018-20154?

Priority 31/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2018-20154 is a medium-severity flaw (CVSS 4.3) affecting wp maintenance mode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated users to discover all subscriber e-mail addresses.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-200
Published	2018-12-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: designmodo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-12-14 22:29 UTCPublished CVE record published
2026-06-17 01:52 UTCUpdated Record last modified

designmodo wp maintenance mode UPGRADE

Affected: < 2.0.7

Fixed in: 2.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-maintenance-mode || rpm -q wp-maintenance-mode || wp-maintenance-mode --version

2. UPGRADE to 2.0.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-maintenance-mode

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-maintenance-mode

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-20154?

wp maintenance mode: upgrade to 2.0.7. Exact commands for each OS are on this page.

Is CVE-2018-20154 being exploited?

CVE-2018-20154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-20154 affect?

CVE-2018-20154 affects wp maintenance mode. Severity is medium (CVSS 4.3). The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated users to discover all subscriber e-mail addresses.

How urgent is CVE-2018-20154?

Priority 31/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2018-20156 HIGH 7.2 UPGRADE The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated "site administrator" use
CVE-2018-20155 MEDIUM 4.3 UPGRADE The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated subscriber users to bypa

References

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