WordPress security changelog
HIGH CVE-2023-0441 Modified

Gallery Blocks with Lightbox: A security weakness

Gallery Blocks with Lightbox is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 8.1 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 8.1 CVSS 3.1 · nvd@nist.gov
Component
Gallery Blocks with Lightbox
Plugin slug
simply-gallery-blocks-with-lightbox
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Mar 27, 2023
Weakness
Not assigned

This CVE was published Mar 27, 2023 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Gallery Blocks with Lightbox to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Primary and upstream sources