CiviCRM 5.59.alpha1 - Stored XSS (Cross-Site Scripting)

2023-05-2300:00:00

Andrea Intilangelo

www.exploit-db.com

159

civicrm

cross-site scripting

security advisory

cve-2023-25440

web browsers

payload poc

stored xss

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

5.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.1%

JSON

# Exploit Title: CiviCRM 5.59.alpha1 - Stored XSS (Cross-Site Scripting)
# Date: 2023-02-02
# Exploit Author: Andrea Intilangelo
# Vendor Homepage: https://civicrm.org
# Software Link: https://civicrm.org/download
# Version: 5.59.alpha1, 5.58.0 (and earlier), 5.57.3 (and earlier)
# Tested on: Latest Version of Desktop Web Browsers (ATTOW: Firefox 109.0.1, Microsoft Edge 109.0.1518.70)
# CVE: CVE-2023-25440 
Vendor Security Advisory: CIVI-SA-2023-05


Description:

A stored cross-site scripting (XSS) vulnerability in CiviCRM 5.59.alpha1 allows attacker to execute arbitrary web
scripts or HTML.

Injecting persistent javascript code inside the "Add Contact" function while creating a contact, in first/second name
field, it will be triggered once page gets loaded.


Steps to reproduce:

- Quick Add contact to CiviCRM,
- Insert a payload PoC inside the field(s)
- Click on 'Add contact'.

If a user visits the dashboard, as well as "Recently added" box, the javascript code will be rendered.