CVE-2025-5304: The PT Project Notebooks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorizati

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-5304 is a critical-severity flaw (CVSS 9.8) affecting pt project notebooks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PT Project Notebooks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization in the wpnb_pto_new_users_add() function in versions 1.0.0 through 1.1.3. This makes it possible for unauthenticated attackers to elevate their privileges to that of an administrator.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-862
Published	2025-06-28
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: ptoffice

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

Am I affected?

Timeline

2025-06-28 06:15 UTCPublished CVE record published
2026-06-17 09:47 UTCUpdated Record last modified

ptoffice pt project notebooks UPGRADE

Affected: >= 1.0.0 and <= 1.1.3

Fixed in: newer than 1.1.3

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy pt-project-notebooks || rpm -q pt-project-notebooks || pt-project-notebooks --version

2. UPGRADE to newer than 1.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pt-project-notebooks

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pt-project-notebooks

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison pt-project-notebooks sudo apt install pt-project-notebooks=<VERSION_BEFORE_1.0.0> sudo apt-mark hold pt-project-notebooks

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pt-project-notebooks sudo dnf downgrade pt-project-notebooks-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add pt-project-notebooks

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-5304?

pt project notebooks: upgrade to newer than 1.1.3. Exact commands for each OS are on this page.

Is CVE-2025-5304 being exploited?

CVE-2025-5304 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-2025-5304 affect?

CVE-2025-5304 affects pt project notebooks. Severity is critical (CVSS 9.8). The PT Project Notebooks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization in the wpnb_pto_new_users_add() function in versions 1.0.0 through 1.1.3. This makes it possible for unauthenticated attackers

How urgent is CVE-2025-5304?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

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