CVE-2022-3828: The Video Thumbnails WordPress plugin through 2.12.3 does not sanitise and escape some of its settings, which

Q: How do I fix CVE-2022-3828?

video thumbnails: upgrade to newer than 2.12.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-3828 being exploited?

CVE-2022-3828 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-2022-3828 affect?

CVE-2022-3828 affects video thumbnails. Severity is medium (CVSS 4.8). The Video Thumbnails WordPress plugin through 2.12.3 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 capabi

Q: How urgent is CVE-2022-3828?

Priority 33/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2022-3828 is a medium-severity flaw (CVSS 4.8) affecting video thumbnails. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Video Thumbnails WordPress plugin through 2.12.3 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: video thumbnails project

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

video thumbnails project video thumbnails UPGRADE

Affected: <= 2.12.3

Fixed in: newer than 2.12.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy video-thumbnails || rpm -q video-thumbnails || video-thumbnails --version

2. UPGRADE to newer than 2.12.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade video-thumbnails

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade video-thumbnails

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-2022-3828?

video thumbnails: upgrade to newer than 2.12.3. Exact commands for each OS are on this page.

Is CVE-2022-3828 being exploited?

CVE-2022-3828 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-2022-3828 affect?

CVE-2022-3828 affects video thumbnails. Severity is medium (CVSS 4.8). The Video Thumbnails WordPress plugin through 2.12.3 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 capabi

How urgent is CVE-2022-3828?

Priority 33/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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