CVE-2021-34257 Unrestricted Upload of File with Dangerous Type in WPanel 4
Attackers can execute arbitrary code by uploading malicious PHP files to various image upload fields in WPanel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34257?
CVE-2021-34257 is a high-severity vulnerability in n/a, published on 31 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple Remote Code Execution (RCE) vulnerabilities exist in WPanel 4 4.3.1 and below via a malicious PHP file upload to (1) Dashboard's Avatar image, (2) Posts Folder image, (3) Pages Folder image and (4) Gallery Folder image.
Weakness: CWE-434
Which versions are affected by CVE-2021-34257?
2 open source packages ship an affected version, including wpanel/wpanel4-cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wpanel/wpanel4-cms Packagist | All versions to 4.3.1 | None |
wpanel/wpanel4-cms Packagist | All versions to 4.3.1 | None |
Products include Wpanel Cms Project Wpanel Cms.
How do I fix CVE-2021-34257?
No fix has been published for CVE-2021-34257 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34257 being exploited?
There is no known exploitation of CVE-2021-34257 in the wild and no public exploit code.
Sources
Also known as GHSA-vhgr-gfx3-fg37.