CVE-2024-45406: Craft CMS stored XSS in breadcrumb list and title fields
First published: Mon Sep 09 2024(Updated: )
### Summary Multiple Stored XSS can be triggered by the breadcrumb list and title fields with user input. ### Details 1. In the **/admin/categories** page, category title isn't sanitized and triggered xss. 2. In the category edit page under the **/admin/categories/**, category title in breadcrumb list isn't sanitized and triggered xss. 3. In the **/admin/entries** page, entry title isn't sanitized and triggered xss. 4. In the entry edit page under the **/admin/entries/**, entry title in breadcrumb list isn't sanitized and triggered xss. 5. In the **/admin/myaccount** and pages under it, username or full name in breadcrumb list isn't sanitized and triggered xss. ### Impact Malicious users can tamper with the control panel. ### PoC #### 1. In the **/admin/categories** page, category title isn't sanitized and triggered xss. ``` 1. Access to the Settings -> Categories ( /admin/settings/categories ) 2. Create new category group 3. Access to the Categories page ( /admin/categories/ ) 4. Push the New category button 5. Input the Title column : xss<script>alert('xss')</script> 6. Push the Create Category or Save button 7. Access to the Categories page again and it triggers xss ```    #### 2. In the category edit page under the **/admin/categories/**, category title in breadcrumb list isn't sanitized and triggered xss. ``` 1. Access to the Settings -> Categories ( /admin/settings/categories ) 2. Create new category group 3. Access to the Categories page ( /admin/categories/ ) 4. Push the New category button 5. Input the Title column : xss<script>alert('xss')</script> 6. Push the Create Category or Save button 7. Access to the Category edit page again and it triggers xss ```    #### 3. In the **/admin/entries** page, entry title isn't sanitized and triggered xss. ``` 1. Access to the Settings -> Entry Types ( /admin/settings/entry-types ) 2. Create new entry type 3. Access to the Settings -> Sections ( /admin/settings/sections ) 4. Create new section 5. Access to the Entries page ( /admin/entries ) 6. Push the New entry button 7. Input the Title column : xss<script>alert('xss')</script> 8. Push the Create entry or Save button 9. Access to the Entries page again and it triggers xss ```    #### 4. In the entry edit page under the **/admin/entries/**, entry title in breadcrumb list isn't sanitized and triggered xss. ``` 1. Access to the Settings -> Entry Types ( /admin/settings/entry-types ) 2. Create new entry type 3. Access to the Settings -> Sections ( /admin/settings/sections ) 4. Create new section 5. Access to the Entries page ( /admin/entries ) 6. Push the New entry button 7. Input the Title column : xss<script>alert('xss')</script> 8. Push the Create entry or Save button 9. Access to the Entriy edit page again and it triggers xss ```    #### 5. In the **/admin/myaccount** and pages under it, username or full name in breadcrumb list isn't sanitized and triggered xss. ``` 1. Access to the My Account Page ( /admin/myaccount ) 2. Input the Full Name column : xss<script>alert('xss')</script> 3. Push the the Save button 4. Access to the My Account page ( /admin/myaccount ) or pages under it ( /admin/myaccount/addresses , /admin/myaccount/preferences , etc.) and it triggers xss ```   
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/craftcms/cms | >=5.0.0<5.1.2 | 5.1.2 |
| CraftCMS Craft CMS | >=5.0.0<5.1.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-45406?
CVE-2024-45406 has a medium severity rating due to the potential for stored XSS attacks.
How do I fix CVE-2024-45406?
To fix CVE-2024-45406, upgrade to Craft CMS version 5.1.2 or later.
What types of attacks can CVE-2024-45406 enable?
CVE-2024-45406 can enable stored Cross-Site Scripting (XSS) attacks through unsanitized user input in category titles.
Which versions of Craft CMS are affected by CVE-2024-45406?
Craft CMS versions from 5.0.0 to 5.1.2 are affected by CVE-2024-45406.
Where can I find more information about CVE-2024-45406?
More information about CVE-2024-45406 can typically be found in the security advisories section of the Craft CMS repository.
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