CVE-2025-3811: The WPBookit plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions u

Q: How do I fix CVE-2025-3811?

wpbookit: upgrade to 1.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2025-3811 being exploited?

CVE-2025-3811 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-2025-3811 affect?

CVE-2025-3811 affects wpbookit. Severity is critical (CVSS 9.8). The WPBookit plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.0.2. This is due to the plugin not properly validating a user's identity prior to updating their details li

Q: How urgent is CVE-2025-3811?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-3811 is a critical-severity flaw (CVSS 9.8) affecting wpbookit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WPBookit plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.0.2. This is due to the plugin not properly validating a user's identity prior to updating their details like email through the edit_newdata_customer_callback() function. This makes it possible for unauthenticated attackers to change arbitrary user's email addresses, including administrators, and leverage that to re

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	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-639
Published	2025-05-09
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: iqonic

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

Am I affected?

Timeline

2025-05-09 03:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

iqonic wpbookit UPGRADE

Affected: < 1.0.3

Fixed in: 1.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wpbookit || rpm -q wpbookit || wpbookit --version

2. UPGRADE to 1.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wpbookit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wpbookit

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-2025-3811?

wpbookit: upgrade to 1.0.3. Exact commands for each OS are on this page.

Is CVE-2025-3811 being exploited?

CVE-2025-3811 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-2025-3811 affect?

CVE-2025-3811 affects wpbookit. Severity is critical (CVSS 9.8). The WPBookit plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.0.2. This is due to the plugin not properly validating a user's identity prior to updating their details li

How urgent is CVE-2025-3811?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

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References

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