CVE-2024-34716: PrestaShop vulnerable to XSS via customer contact form in FO, through file upload
First published: Tue May 14 2024(Updated: )
### Impact Only PrestaShops with customer-thread feature flag enabled are impacted, starting from PrestaShop 8.1.0. The impact is substantial, when the customer thread feature flag is enabled, through the front-office contact form, a hacker can upload a malicious file containing an XSS that will be executed when an admin opens the attached file in back office. Consequence: the script injected can access the session and the security token, which allows it to perform any authenticated action in the scope of the administrator's right. ### Patches This vulnerability is patched in 8.1.6. ### Workarounds As long as you have not upgraded to 8.1.6, a simple workaround is to disable the customer-thread feature-flag. Thank you to Ayoub AIT ELMOKHTAR, who discovered this vulnerability and share it with the PrestaShop team.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/prestashop/prestashop | >=8.1.0<8.1.6 | 8.1.6 |
| Prestashop | >=8.1.0<8.1.6 |
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Reference Links
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-45vm-3j38-7p78
- https://github.com/PrestaShop/PrestaShop/releases/tag/8.1.6
- https://nvd.nist.gov/vuln/detail/CVE-2024-34716
- https://github.com/PrestaShop/PrestaShop/commit/a248898655e56cbcc6c308a5f1c8752231624bae
- https://github.com/advisories/GHSA-45vm-3j38-7p78 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-34716?
CVE-2024-34716 is considered a high severity vulnerability due to its ability to allow malicious file uploads via the contact form when the customer-thread feature is enabled.
How do I fix CVE-2024-34716?
To fix CVE-2024-34716, upgrade your PrestaShop installation to version 8.1.6 or later.
Which PrestaShop versions are affected by CVE-2024-34716?
CVE-2024-34716 affects PrestaShop versions from 8.1.0 up to 8.1.6 when the customer-thread feature is enabled.
What functionality does CVE-2024-34716 impact in PrestaShop?
CVE-2024-34716 impacts the front-office contact form, allowing the upload of potentially malicious files.
Is any specific feature required for CVE-2024-34716 to be exploitable?
Yes, the customer-thread feature flag must be enabled for CVE-2024-34716 to be exploitable.
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