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CVE-2023-3427

Salon Booking System <= 8.4.6 - Cross-Site Request Forgery to Admin Role Change to Customer, User Meta Update via save_customer

MEDIUM
4.3
CVSS Score
Published: June 28, 2023 at 01:48 AM UTC
Updated: June 17, 2026 at 06:14 AM UTC
2 products affected across 2 vendorsSalon Booking SystemSalon Booking System

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

The Salon Booking System plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 8.4.6. This is due to missing or incorrect nonce validation on the 'save_customer' function. This makes it possible for unauthenticated attackers to change the admin role to customer or change the user meta to arbitrary values via a forged request, granted they can trick a site administrator into performing an action such as clicking on a link.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Salon Booking System· Salonbookingsystemwordpress-plugin
95%
v ≤ 8.4.6
Salon Booking System· Wordpresschefwordpress-plugin
60%
v ≤ 8.4.7

References (3)

Patch
Source: [email protected]
https://plugins.trac.wordpress.org/browser/salon-booking-system/trunk/src/SLN/Admin/Customers.php?rev=2779160#L68
Patch
Source: [email protected]
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2931406%40salon-booking-system&new=2931406%40salon-booking-system&sfp_email=&sfph_mail=
Third Party Advisory
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/93875f19-d9b9-4e33-bba9-afc75cf26bf2?source=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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