CVE-2023-25440

MEDIUM

CiviCRM 5.59.alpha1 - Stored Cross-Site Scripting in Contact Name Fields

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-25440. PoCs published by Andrea Intilangelo.

AI-analyzed exploit summary This is a writeup describing a stored XSS vulnerability in CiviCRM versions up to 5.59.alpha1. The vulnerability allows arbitrary JavaScript execution via the 'Add Contact' function by injecting malicious code into the first/second name fields.

Description

Stored Cross Site Scripting (XSS) vulnerability in the add contact function CiviCRM 5.59.alpha1, allows attackers to execute arbitrary code in first/second name field.

Exploits (1)

exploitdb WRITEUP
by Andrea Intilangelo · textwebappsphp
https://www.exploit-db.com/exploits/51478

This is a writeup describing a stored XSS vulnerability in CiviCRM versions up to 5.59.alpha1. The vulnerability allows arbitrary JavaScript execution via the 'Add Contact' function by injecting malicious code into the first/second name fields.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CiviCRM 5.59.alpha1, 5.58.0 (and earlier), 5.57.3 (and earlier)
Auth required
Prerequisites: Access to the 'Add Contact' function in CiviCRM
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0254
EPSS Percentile 82.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
civicrm/civicrm 5.59 alpha1
Published May 23, 2023
Tracked Since Feb 18, 2026