Video Conferencing with Zoom <= 4.2.1 - Sensitive Information Exposure
Strategic Overview
- Status
- Patched in 4.2.2
- Affected Plugin
- Video Conferencing with Zoom
- Affected Version
<= 4.2.1- CVSS
- 3.7Low
- Weakness type
- CWE-321 · Use of Hard-coded Cryptographic Key
- CVE
CVE-2023-3947
At a glance
CVE-2023-3947 is a low-severity Use of Hard-coded Cryptographic Key vulnerability in the Video Conferencing with Zoom WordPress plugin, affecting versions <= 4.2.1. It carries a CVSS score of 3.7 (reachable over the network). Exploitation requires no authentication. The issue is fixed in version 4.2.2; sites on affected versions should update now. Disclosed July 2023, reported by István Márton.
Vulnerability Overview
The Video Conferencing with Zoom plugin for WordPress is vulnerable to Sensitive Information Exposure due to hardcoded encryption key on the 'vczapi_encrypt_decrypt' function in versions up to, and including, 4.2.1. This makes it possible for unauthenticated attackers to decrypt and view the meeting id and password.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, 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 4.2.2, or a newer patched version
How does WordSec protect against this?
The fix is the thing that ends this: Video Conferencing with Zoom 4.2.2 closes this, and updating the plugin is the step that ends it.
- Alerts
External References
Related records
Other vulnerabilities in Video Conferencing with Zoom
- 6.4CVE-2026-66641: Video Conferencing with Zoom <= 4.6.8 Stored XSS
CVE-2026-66641 - 6.4CVE-2024-2031: Video Conferencing with Zoom <= 4.4.4 Stored XSS
CVE-2024-2031 - 6.4CVE-2022-4578: Video Conferencing with Zoom <= 4.0.9 Stored XSS
CVE-2022-4578 - 6.1CVE-2024-33584: Video Conferencing with Zoom <= 4.4.4 Open Redirect
CVE-2024-33584 - 6.1Video Conferencing with Zoom <= 3.9.2 Reflected Cross-Site Scripting
- 6.1Video Conferencing with Zoom < 3.8.16 Reflected Cross-Site Scripting
- 5.3CVE-2026-6964: Video Conferencing with Zoom Unauthenticated Zoom SDK
CVE-2026-6964 - 5.3CVE-2026-1368: Video Conferencing with Zoom Missing Authorization
CVE-2026-1368
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C