CVE-2026-11887 | Salon Booking System < 10.30.20 - Subscriber+ Booking Approval Bypass

The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new bookings.

Published: 2026-07-01 Last update: 2026-07-01 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-11887 is rated Low Risk (19.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.18%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-11887

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-02 0.15% 0.18% +0.03%
2 2026-07-01 0.15%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-11887

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-11887

GitHub Security Advisory for CVE-2026-11887

GHSA-q6pc-8fwh-45m2 · Severity: medium — The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation...

Affected software / configurations for CVE-2026-11887

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-11887

cvelogic Threat Intelligence