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GHSA-gp6m-fq6h-cjcx
No affected components available
Summary
OpenMage is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields.
Details
Mage_Adminhtml_Block_System_Config_Form_Field_File does not escape filename value in certain situations.
Same as: https://nvd.nist.gov/vuln/detail/CVE-2024-20717
PoC
- Create empty file with this filename:
<img src=x onerror=alert(1)>.crt - Go to System > Configuration > Sales | Payment Methonds.
- Click Configure on PayPal Express Checkout.
- Choose API Certificate from dropdown API Authentication Methods.
- Choose the XSS-file and click Save Config.
- Profit, alerts "1" -> XSS.
- Reload, alerts "1" -> Stored XSS.
Impact
Affects admins that have access to any fileupload field in admin in core or custom implementations. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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