CVE-2023-3947: The Video Conferencing with Zoom plugin for WordPress is vulnerable to Sensitive Information Exposure due to h

Q: How do I fix CVE-2023-3947?

video conferencing with zoom: upgrade to newer than 4.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-3947 being exploited?

CVE-2023-3947 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-2023-3947 affect?

CVE-2023-3947 affects video conferencing with zoom. Severity is low (CVSS 3.7). 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 f

Q: How urgent is CVE-2023-3947?

Priority 26/100. Remotely exploitable, no login, no user action

Routine

LOW 3.7REMOTEUPGRADE

CVE-2023-3947 is a low-severity flaw (CVSS 3.7) affecting video conferencing with zoom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-321
Published	2023-07-26
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: imdpen

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

Am I affected?

Timeline

2023-07-26 04:15 UTCPublished CVE record published
2026-06-17 06:15 UTCUpdated Record last modified

imdpen video conferencing with zoom UPGRADE

Affected: <= 4.2.1

Fixed in: newer than 4.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy video-conferencing-with-zoom || rpm -q video-conferencing-with-zoom || video-conferencing-with-zoom --version

2. UPGRADE to newer than 4.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade video-conferencing-with-zoom

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade video-conferencing-with-zoom

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-2023-3947?

video conferencing with zoom: upgrade to newer than 4.2.1. Exact commands for each OS are on this page.

Is CVE-2023-3947 being exploited?

CVE-2023-3947 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-2023-3947 affect?

CVE-2023-3947 affects video conferencing with zoom. Severity is low (CVSS 3.7). 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 f

How urgent is CVE-2023-3947?

Priority 26/100. Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · Zoom vulnerabilities

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References

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