Quick answers
- Is CVE-2026-123064 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123064 being exploited in the wild.
- How severe is CVE-2026-123064?
- Informational severity, published 9 November 2026.
- Which products and versions are affected?
- WP BASE Booking of Appointments, Services and Events before 6.5.1.
- Is there a fix for CVE-2026-123064?
- Yes: fixed in 6.5.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-123064 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-123064?
- Check whether you run WP BASE Booking of Appointments or Services and Events at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 6.5.1
Technical details
The plugin does not adequately restrict access to a user-creation action, allowing authenticated attackers with Subscriber-level privileges to create administrator accounts without proper authorization. This is a privilege escalation vulnerability requiring authentication to exploit; the attacker must have a valid Subscriber account or higher on the WordPress site.
Affected products
- WP BASE WP BASE Booking of Appointments, Services and Events before 6.5.1
Timeline
- 2026-11-06: disclosed: Publicly published
- 2026-11-09: advisory: CVE assigned and published