CVE-2022-3906: The Easy Form Builder WordPress plugin before 3.4.0 does not sanitise and escape some of its settings, which c

Q: How do I fix CVE-2022-3906?

easy form builder: upgrade to 3.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-3906 being exploited?

CVE-2022-3906 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-2022-3906 affect?

CVE-2022-3906 affects easy form builder. Severity is medium (CVSS 4.8). The Easy Form Builder WordPress plugin before 3.4.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capabil

Q: How urgent is CVE-2022-3906?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.8UPGRADE

CVE-2022-3906 is a medium-severity flaw (CVSS 4.8) affecting easy form builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Easy Form Builder WordPress plugin before 3.4.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Published	2022-12-12
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: whitestudio

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

Am I affected?

Timeline

2022-12-12 18:15 UTCPublished CVE record published
2026-06-17 05:00 UTCUpdated Record last modified

whitestudio easy form builder UPGRADE

Affected: < 3.4.0

Fixed in: 3.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-form-builder || rpm -q easy-form-builder || easy-form-builder --version

2. UPGRADE to 3.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade easy-form-builder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade easy-form-builder

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-2022-3906?

easy form builder: upgrade to 3.4.0. Exact commands for each OS are on this page.

Is CVE-2022-3906 being exploited?

CVE-2022-3906 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-2022-3906 affect?

CVE-2022-3906 affects easy form builder. Severity is medium (CVSS 4.8). The Easy Form Builder WordPress plugin before 3.4.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capabil

How urgent is CVE-2022-3906?

Priority 26/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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