CVE-2023-0441: The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by an

Q: How do I fix CVE-2023-0441?

simply gallery blocks with lightbox: upgrade to 3.0.8. Exact commands for each OS are on this page.

Q: Is CVE-2023-0441 being exploited?

CVE-2023-0441 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-2023-0441 affect?

CVE-2023-0441 affects simply gallery blocks with lightbox. Severity is high (CVSS 8.1). The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and u

Q: How urgent is CVE-2023-0441?

Priority 47/100. High severity; Public exploit reference

This month

HIGH 8.1UPGRADE

CVE-2023-0441 is a high-severity flaw (CVSS 8.1) affecting simply gallery blocks with lightbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Published	2023-03-27
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: simplygallery

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

Am I affected?

Timeline

2023-03-27 16:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

simplygallery simply gallery blocks with lightbox UPGRADE

Affected: < 3.0.8

Fixed in: 3.0.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simply-gallery-blocks-with-lightbox || rpm -q simply-gallery-blocks-with-lightbox || simply-gallery-blocks-with-lightbox --version

2. UPGRADE to 3.0.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simply-gallery-blocks-with-lightbox

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simply-gallery-blocks-with-lightbox

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-2023-0441?

simply gallery blocks with lightbox: upgrade to 3.0.8. Exact commands for each OS are on this page.

Is CVE-2023-0441 being exploited?

CVE-2023-0441 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-2023-0441 affect?

CVE-2023-0441 affects simply gallery blocks with lightbox. Severity is high (CVSS 8.1). The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and u

How urgent is CVE-2023-0441?

Priority 47/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

References

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