What is the CVSS score of CVE-2023-50860?

CVE-2023-50860 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Amelia CVE-2023-50860

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2023-12-28 audit@patchstack.com

XSS Amelia Tms Outsource

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-79 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Output encoding, context-aware escaping MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. EPSS exploitation probability: 0.08%.
Exploit ScenarioDerived	A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar - Amelia allows Stored XSS.0.85. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar - Amelia allows Stored XSS.0.85. Affected products include: Tms-Outsource Amelia. Version information: through 1.0.85..

Know when Amelia gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

DescriptionCVE.org

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar - Amelia allows Stored XSS.This issue affects Booking for Appointments and Events Calendar - Amelia: from n/a through 1.0.85.

Threat Intelligence Overview

EPSS Score

0.1%

Top 76% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +32

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)CVE.org

cpe:2.3:a:tms-outsource:amelia:*:*:*:*:*:wordpress:*:*

More in Amelia

View all

CVE-2022-0687 HIGH This Week POC

8.8 Mar 21

The Amelia WordPress plugin before 1.0.47 stores image blobs into actual files whose extension is controlled by the user

CVE-2022-0627 MEDIUM This Month POC

6.1 Mar 21

The Amelia WordPress plugin before 1.0.47 does not sanitize and escape the code parameter before outputting it back in a

CVE-2024-22298 CRITICAL Act Now

9.8 Jun 10

Missing Authorization vulnerability in TMS Amelia ameliabooking.0.98. Rated critical severity (CVSS 9.8), this vulnerabi

CVE-2022-0837 MEDIUM This Month POC

5.4 Apr 04

The Amelia WordPress plugin before 1.0.48 does not have proper authorisation when handling Amelia SMS service, allowing

CVE-2022-0825 MEDIUM This Month POC

5.4 Apr 04

The Amelia WordPress plugin before 1.0.49 does not have proper authorisation when managing appointments, allowing any cu

CVE-2022-0720 MEDIUM This Month POC

5.4 Mar 28

The Amelia WordPress plugin before 1.0.47 does not have proper authorisation when managing appointments, allowing any cu

CVE-2026-57702 CRITICAL Act Now

9.3 Jul 13

Blind SQL injection in the Amelia booking plugin for WordPress (Melograno Venture Studio) affects all versions from unkn

CVE-2026-112327 CRITICAL Act Now

9.3 Oct 22

SQL injection in the TMS Amelia booking plugin for WordPress, affecting versions through 2.4.11, lets remote attackers i

CVE-2026-48889 HIGH This Week

8.8 Jun 15

Privilege escalation in the Amelia booking plugin for WordPress (versions 2.3 and earlier) allows an authenticated low-p

CVE-2022-0616 MEDIUM This Month POC

4.3 Mar 21

The Amelia WordPress plugin before 1.0.47 does not have CSRF check in place when deleting customers, which could allow a

CVE-2026-39487 HIGH This Week

7.6 Apr 08

Blind SQL injection in Amelia WordPress plugin (ameliabooking) version 2.1.1 and earlier allows authenticated privileged

CVE-2026-62112 HIGH This Week

7.6 Sep 11

SQL injection in the Amelia WordPress booking plugin (versions ≤ 2.4.9) allows authenticated Editor-role users to exfilt

Same weakness CWE-79 – Cross-site Scripting (XSS)

View all

CVE-2020-3580 MEDIUM POC

6.1

CVE-2013-7389 MEDIUM POC

4.3

CVE-2021-25299 MEDIUM POC

6.1

CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2016-8581 MEDIUM POC

6.1

CVE-2013-5223 MEDIUM POC

5.4

CVE-2025-52367 MEDIUM POC

5.4

Same technique XSS

View all

CVE-2017-9248 CRITICAL POC

9.8

CVE-2013-1710 CRITICAL POC

10.0

CVE-2024-52875 HIGH POC

8.8

References

Advisories & patches

REF https://patchstack.com/database/vulnerability/ameliabooking/wordpress-amelia-plugin-1-0-85-cross-site-scripting-xss-vulnerability?_s_id=cve

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back