CVE-2022-3833: The Fancier Author Box by ThematoSoup WordPress plugin through 1.4 does not sanitise and escape some of its se

Q: How do I fix CVE-2022-3833?

fancier author box: upgrade to newer than 1.4. Exact commands for each OS are on this page.

Q: Is CVE-2022-3833 being exploited?

CVE-2022-3833 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-2022-3833 affect?

CVE-2022-3833 affects fancier author box. Severity is medium (CVSS 4.8). The Fancier Author Box by ThematoSoup WordPress plugin through 1.4 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 unfilter

Q: How urgent is CVE-2022-3833?

Priority 33/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2022-3833 is a medium-severity flaw (CVSS 4.8) affecting fancier author box. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Fancier Author Box by ThematoSoup WordPress plugin through 1.4 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

Public exploit reference

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	0.5% (top 56%)
CISA exploited list	No
Published	2022-11-28
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: thematosoup

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

Am I affected?

Timeline

2022-11-28 14:15 UTCPublished CVE record published
2026-06-17 05:00 UTCUpdated Record last modified

thematosoup fancier author box UPGRADE

Affected: <= 1.4

Fixed in: newer than 1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fancier-author-box || rpm -q fancier-author-box || fancier-author-box --version

2. UPGRADE to newer than 1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fancier-author-box

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fancier-author-box

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-2022-3833?

fancier author box: upgrade to newer than 1.4. Exact commands for each OS are on this page.

Is CVE-2022-3833 being exploited?

CVE-2022-3833 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-2022-3833 affect?

CVE-2022-3833 affects fancier author box. Severity is medium (CVSS 4.8). The Fancier Author Box by ThematoSoup WordPress plugin through 1.4 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 unfilter

How urgent is CVE-2022-3833?

Priority 33/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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