TI-2023-12509 Aliases CVE-2023-27918 GHSA-j4pf-2mmw-4h4r

Cross-site scripting in TMS Appointment and Event Booking Calendar for WordPress - Amelia

LOW 28CWE-79Published 2023-05-10 · Updated 2025-01-27

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote unauthenticated attacker to inject an arbitrary script by having a user who is logging in the WordPress where the product is installed visit a malicious URL.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00508 43rd percentileScored 2026-11-07

Fix Fixed Appointment and Event Booking Calendar for WordPress - Amelia (TMS): 1.0.76

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TMS	Appointment and Event Booking Calendar for WordPress - Amelia	before 1.0.76	1.0.76	Patch available	CNA

Appointment and Event Booking Calendar for WordPress - Amelia VendorTMS Affected before 1.0.76 Fixed in 1.0.76 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:tms-outsource:amelia::::::wordpress::*	before 1.0.76	Vulnerable	TMS

cpe:2.3:a:tms-outsource:amelia:*:*:*:*:*:wordpress:*:* Versions before 1.0.76 Vulnerable ·TMS

Remediation

Fix · CNA Appointment and Event Booking Calendar for WordPress - Amelia (TMS) Fixed in 1.0.76

Timeline

2026-10-02 Threatist record created from CVE-2023-27918
2026-10-03 Alias added: GHSA-j4pf-2mmw-4h4r

References

Advisory 1

https://jvn.jp/en/jp/JVN00971105/

Other 1

https://wordpress.org/plugins/ameliabooking/#developers

TI-2024-14885 WordPress Amelia plugin <= 1.0.98 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-00601 Amelia < 1.0.46 - Manager+ RCE CVSS 3.1HIGH 8.8
TI-2023-13807 WordPress Amelia Plugin <= 1.0.75 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
TI-2023-27765 WordPress Amelia Plugin <= 1.0.85 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
TI-2023-06220 Cross-site scripting in ameliabooking Booking for Appointments and Events Calendar… CVSS 3.1MEDIUM 6.4
TI-2022-00544 Amelia < 1.0.46 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1

See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences