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CVE-2026-55651

Easy!Appointments Vulnerable to Appointments Takeover via Excessive Data Exposure

Published: Jul 14, 2026Updated: Jul 14, 2026 Sources: CVE List NVDCWE-200
7.1HIGH
NVD MITRE
EPSS Score
0.3%
Top 76.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointments of other providers, resulting in an Appointments Takeover. Version 1.6.0 fixes the issue.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-200

Affected Products

alextselegidis
individual-devaka easy!appointments, alextselegidis/easyappointments
easyappointmentsOn-prem
Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-4vmm-5qvc-w5p7
github.com

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