Cross-site scripting in Craft CMS



Published: 2018-12-24 | Updated: 2021-07-05
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-20418
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe
Craft CMS
Web applications / CMS

Vendor Pixel & Tonic, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU36272

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-20418

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

Exploit availability: Yes

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data passed via "index.php?p=admin/actions/entries/save-entry" when saving a new title from the console tab. A remote attacker can trick the victim to follow a specially crafted link 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 update from vendor's website.

Vulnerable software versions

Craft CMS: 3.0.25


CPE2.3 External links

http://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
http://github.com/rdincel1/Craft-CMS-3.0.25---Cross-Site-Scripting
http://www.exploit-db.com/exploits/46054/
http://www.raifberkaydincel.com/craft-cms-3-0-25-cross-site-scripting-vulnerability.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



###SIDEBAR###