CVE-2023-3371

EmbedPress <= 3.7.3 - Sensitive Information Exposure

2023-06-26 00:00
István Márton

Strategic Overview

At a glance

CVE-2023-3371 is a medium-severity Use of Hard-coded Cryptographic Key vulnerability in the EmbedPress WordPress plugin, affecting versions <= 3.7.3. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 3.8.0; sites on affected versions should update now. Disclosed June 2023, reported by István Márton.

Vulnerability Overview

The EmbedPress plugin for WordPress is vulnerable to Sensitive Information Exposure due to hardcoded encryption key on the 'lock_content_form_handler' and 'display_password_form' function in versions up to, and including, 3.7.3. This makes it possible for unauthenticated attackers to decrypt and view the password protected content.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-321: Use of Hard-coded Cryptographic Key

The product uses a hard-coded, unchangeable cryptographic key.

Remediation

Update to version 3.8.0, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: EmbedPress 3.8.0 closes this, and updating the plugin is the step that ends it.

  • Alerts

External References

Related records

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