Quick answers
- Is CVE-2026-42666 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-42666 being exploited in the wild.
- How severe is CVE-2026-42666?
- High severity, with a CVSS score of 7.5, published 15 June 2026.
- Which products and versions are affected?
- Salon Booking System <= 10.30.25.
- Is there a fix for CVE-2026-42666?
- A patch was published on 2026-05-10: Version 10.30.26 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-42666 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-42666?
- Check whether you run Salon Booking System 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.
Technical details
A broken access control vulnerability (CWE-862: Missing Authorization) exists in the Salon booking system plugin for WordPress in versions up to and including 10.30.25. The flaw allows an unauthenticated remote attacker to bypass authorization checks and access sensitive information (Confidentiality: High). The vulnerability stems from a failure to properly validate user permissions or implement sufficient nonce/authentication tokens on specific functions. Attackers can exploit this over the network without any user interaction. A fix is available in version 10.30.26.
Affected products
- Salon booking system Salon booking system <= 10.30.25
Timeline
- 2026-04-10: other: Reported by researcher Evan NR
- 2026-05-10: patched: Version 10.30.26 released
- 2026-06-15: disclosed: NVD publication date