CVE-2024-1478: The Maintenance Mode plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up t

Q: How do I fix CVE-2024-1478?

maintenance mode: upgrade to 3.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-1478 being exploited?

CVE-2024-1478 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-2024-1478 affect?

CVE-2024-1478 affects maintenance mode. Severity is medium (CVSS 5.3). The Maintenance Mode plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.0.1 via the REST API. This makes it possible for unauthenticated attackers to obtain post and page content via

Q: How urgent is CVE-2024-1478?

Priority 35/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-1478 is a medium-severity flaw (CVSS 5.3) affecting maintenance mode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Maintenance Mode plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.0.1 via the REST API. This makes it possible for unauthenticated attackers to obtain post and page content via API thus bypassing the content protection provided by the plugin.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-284
Published	2024-03-05
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: helderk

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

Am I affected?

Timeline

2024-03-05 02:15 UTCPublished CVE record published
2026-06-17 07:04 UTCUpdated Record last modified

helderk maintenance mode UPGRADE

Affected: < 3.0.2

Fixed in: 3.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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-2024-1478?

maintenance mode: upgrade to 3.0.2. Exact commands for each OS are on this page.

Is CVE-2024-1478 being exploited?

CVE-2024-1478 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-2024-1478 affect?

CVE-2024-1478 affects maintenance mode. Severity is medium (CVSS 5.3). The Maintenance Mode plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.0.1 via the REST API. This makes it possible for unauthenticated attackers to obtain post and page content via

How urgent is CVE-2024-1478?

Priority 35/100. Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

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