Stored XSS in Craft CMS

Published: 2023-05-26

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2023-33196
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Craft CMS Web applications / CMS
Vendor	Pixel & Tonic, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stored cross-site scripting

EUVDB-ID: #VU76584

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2023-33196

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in review volumne. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Craft CMS: 4.4.0 - 4.4.6

CPE2.3

cpe:2.3:a:pixel_and_tonic:craft_cms:4.4.0:*:*:*:*:*:*:*

External links

http://github.com/craftcms/cms/security/advisories/GHSA-cjmm-x9x9-m2w5

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?