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GHSA-vqxq-hvxw-9mv9
No affected components available
Impact
HTML files crafted to look like jpg files are able to be uploaded, allowing for XSS.
This affects:
- front-end forms with asset fields without any mime type validation
- asset fields in the control panel
- asset browser in the control panel
Additionally, if the XSS is crafted in a specific way, the "copy password reset link" feature may be exploited to gain access to a user's password reset token and gain access to their account. The authorized user is required to execute the XSS in order for the vulnerability to occur.
Patches
In versions 4.46.0 and 3.4.17, the XSS vulnerability has been patched, and the copy password reset link functionality has been disabled. (Users may still trigger password reset emails.)
Credits
Statamic thanks Niklas Schilling (discovery, analysis, coordination) from the SEC Consult Vulnerability Lab (https://www.sec-consult.com/) for responsibly reporting the identified issues and working with us as we addressed them.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. 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 high impact on the confidentiality of the information. There is a low impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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