CVE-2022-0421

Five Star Restaurant Reservations < 2.4.12 - Unauthenticated Arbitrary Payment Status Update to Stored XSS

MEDIUM
6.1
CVSS Score
Published: November 21, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:20 AM UTC
1 product affected across 1 vendorFive Star Restaurant Reservations

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

The Five Star Restaurant Reservations WordPress plugin before 2.4.12 does not have authorisation when changing whether a payment was successful or failed, allowing unauthenticated users to change the payment status of arbitrary bookings. Furthermore, due to the lack of sanitisation and escaping, attackers could perform Cross-Site Scripting attacks against a logged in admin viewing the failed payments

Affected

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

v < 2.4.12
Affected range stops below 2.4.12, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
https://wpscan.com/vulnerability/145e8d3c-cd6f-4827-86e5-ea2d395a80b9

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-116

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