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CrafterCMS <= 4.0.2 Multiple Reflected Cross-Site Scripting 
Vulnerabilities
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[-] Software Link:

https://craftercms.org


[-] Affected Versions:

Version 4.0.2 and prior versions.
Version 3.1.27 and prior versions.


[-] Vulnerabilities Description:

There are multiple Reflected Cross-Site Scripting vulnerabilities 
affecting CrafterCMS.
The vulnerabilities exist in every API endpoint that reflect some input 
parameter and
do produce XML responses. Following are some examples:

• /api/1/site/url/transform - url and transformerName parameters are 
affected
• /api/1/site/content_store/children - url parameter is affected
• /api/1/site/content_store/item - url parameter is affected


[-] Solution:

Upgrade to version 4.0.3, 3.1.28, or later.


[-] Disclosure Timeline:

[22/11/2022] - Vendor notified
[24/03/2023] - Fixed versions released
[03/08/2023] - CVE number assigned
[23/08/2023] - Publication of this advisory


[-] CVE Reference:

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2023-4136 to these vulnerabilities.


[-] Credits:

Vulnerabilities discovered by Egidio Romano, working with IMQ Minded 
Security.


[-] Original Advisory:

https://karmainsecurity.com/KIS-2023-09


[-] Other References:

https://docs.craftercms.org/en/4.1/security/advisory.html#cv-2023080301