CVE-2026-39756: Appointment Bookings for Zoom GoogleMeet and m… missing authorization check vulnerability

medium 6.5 affects latest 2.7.7 published 2026-10-06

Affected versions: 2.7.7 and older
Fixed in: no fix yet
Latest version: 2.7.7
Severity: Medium · CVSS 6.5
Active installs: 1,000+
Type: Missing authorization check

What an attacker needs

Access: None. No account or login is needed (per the CVSS score).

CVSS vector (score by Patchstack): CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

What to do now

There is no fixed version yet. If you can manage without Appointment Bookings for Zoom GoogleMeet and m… for now, deactivate and delete it until the developer ships a fix.
If you must keep it, cut down who can log in (remove unused accounts, especially low-level ones, and turn off open registration) and put a web application firewall in front of the site.
Check the Appointment Bookings for Zoom GoogleMeet and m… page for a fix; it updates when the CVE feeds do.
Not sure which version you run? Check your version against every known Appointment Bookings for Zoom GoogleMeet and m… issue. With WP-CLI: wp plugin get wappointment --field=version.
If you ran an affected version and something looks off (new admin users, spam pages, redirects), run the free scan below.

The advisory

Unauthenticated Insecure Direct Object References (IDOR) in Wappointment <= 2.7.7 versions.

Description from the CVE record, published by Patchstack (the CVE Numbering Authority), via the NVD entry for CVE-2026-39756.

References

NVD CVE-2026-39756 nvd.nist.gov
Patchstack advisory patchstack.com

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Where this data comes from

CVE record, score and references: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Versions and install counts: wordpress.org/plugins/wappointment (Plugins API), fetched 2026-11-04.
The summary, “what an attacker needs” and “what to do” sections are our plain-English reading of the record and the plugin's release history; the quoted description is the record's own text. Spot an error? Email Daniel.