What is the CVSS score of CVE-2023-2103?

CVE-2023-2103 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2023-2103?

Yes, a public proof-of-concept exploit is available for CVE-2023-2103. Prioritise patching immediately. EPSS: 0.5%.

Is there a patch available for CVE-2023-2103?

Yes, a patch is available for CVE-2023-2103. Update the affected software to the latest version immediately.

Easyappointments CVE-2023-2103

MEDIUM

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

2023-04-15 security@huntr.dev

XSS Easyappointments

5.4

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 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available.
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).

Patch available 0.5% exploitation probability (EPSS)

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

Alert me

AnalysisAI

Cross-site Scripting (XSS) - Stored in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affected Packages

composer alextselegidis/easyappointments no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

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. Cross-site Scripting (XSS) - Stored in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Affected products include: Easyappointments. Version information: prior to 1.5.0..

Know when Easyappointments 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 5.4 MEDIUM

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

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

None

DescriptionNVD

Cross-site Scripting (XSS) - Stored in GitHub repository alextselegidis/easyappointments prior to 1.5.0.

Threat Intelligence Overview

EPSS Score

0.5%

Top 62% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

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 Yes

EPSS 0.5%

Patch available Yes

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

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +27

PoC: +20

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)NVD

cpe:2.3:a:easyappointments:easyappointments:*:*:*:*:*:*:*:*

More in Easyappointments

View all

CVE-2024-57602 CRITICAL Act Now POC

9.8 Feb 12

An issue in Alex Tselegidis EasyAppointments v.1.5.0 allows a remote attacker to escalate privileges via the index.php f

CVE-2023-1269 CRITICAL Act Now POC

9.8 Mar 08

Use of Hard-coded Credentials in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated critical severi

CVE-2022-0482 CRITICAL Act Now POC

9.1 Mar 09

Exposure of Private Personal Information to an Unauthorized Actor in GitHub repository alextselegidis/easyappointments p

CVE-2023-2105 HIGH This Week POC

8.8 Apr 15

Session Fixation in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated high severity (CVSS 8.8), th

CVE-2022-1397 HIGH This Week POC

8.8 May 10

API Privilege Escalation in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated high severity (CVSS

CVE-2025-50383 HIGH This Week POC

8.1 Aug 25

alextselegidis Easy!Appointments v1.5.1 was discovered to contain a SQL injection vulnerability via the order_by paramet

CVE-2026-23622 HIGH This Week POC

7.4 Jan 15

Cross-Site Request Forgery (CSRF) in Easy!Appointments 1.5.2 and earlier allows remote attackers to perform administrati

CVE-2024-57601 MEDIUM This Month POC

6.1 Feb 12

Cross Site Scripting vulnerability in Alex Tselegidis EasyAppointments v.1.5.0 allows a remote attacker to execute arbit

CVE-2023-2104 MEDIUM This Month POC

5.4 Apr 15

Improper Access Control in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated medium severity (CVSS

CVE-2019-14936 MEDIUM This Month POC

5.3 Sep 11

Easy!Appointments 1.3.2 plugin for WordPress allows Sensitive Information Disclosure (Username and Password Hash). Rated

CVE-2026-108758 HIGH This Week

8.8 Oct 11

Unauthenticated appointment takeover in Easy!Appointments 1.6.0 and earlier allows any remote attacker to rewrite, rebin

CVE-2023-2102 MEDIUM This Month POC

4.8 Apr 15

Cross-site Scripting (XSS) - Stored in GitHub repository alextselegidis/easyappointments prior to 1.5.0. Rated medium se

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

PATCH https://github.com/alextselegidis/easyappointments/commit/46a865300e94c7031cc0e315d95d3e3e56768498

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back