WordPress security changelog
MEDIUM CVE-2023-1911 Modified

Blocksy Companion: A security weakness

Blocksy Companion 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 4.3 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 4.3 CVSS 3.1 · nvd@nist.gov
Component
Blocksy Companion
Plugin slug
blocksy-companion
Affected
See vendor advisory
Safe version
See mitigation notes
Published
May 02, 2023
Weakness
CWE-639 — Authorization Bypass Through User-Controlled Key

This CVE was published May 02, 2023 and is one of 12 known issues for this plugin.

Update, patch or deactivate.

Update Blocksy Companion 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 Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscriber to access draft posts for example

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

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

Primary and upstream sources