CVE-2021-37504 jQuery-Upload-File XSS in fileNameStr
Attackers can execute arbitrary scripts via crafted file names in jQuery-Upload-File, requiring library upgrades to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-37504?
CVE-2021-37504 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A cross-site scripting (XSS) vulnerability in the fileNameStr parameter of jQuery-Upload-File v4.0.11 allows attackers to execute arbitrary web scripts or HTML via a crafted file with a Javascript payload in the file name.
Weakness: CWE-79
Which versions are affected by CVE-2021-37504?
2 open source packages ship an affected version, including jquery-file-upload. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jquery-file-upload npm | All versions to 4.0.11 | None |
jquery-file-upload npm | All versions to 4.0.11 | None |
Products include Hayageek Jquery Upload File.
How do I fix CVE-2021-37504?
No fix has been published for CVE-2021-37504 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-37504 being exploited?
There is no known exploitation of CVE-2021-37504 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-43x9-7hfv-mxrf.