CVE-2020-21516 FeehiCMS has an arbitrary file upload vulnerability
Attackers can upload malicious PHP files via the head image upload feature in FeehiCMS to execute arbitrary code on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-21516?
CVE-2020-21516 is a critical vulnerability in n/a, published on 6 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an arbitrary file upload vulnerability in FeehiCMS 2.0.8 at the head image upload, that allows attackers to execute relevant PHP code.
Weakness: CWE-434
Which versions are affected by CVE-2020-21516?
2 open source packages ship an affected version, including feehi/cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
feehi/cms Packagist | All versions | 2.0.8.1 |
feehi/cms Packagist | All versions | 2.0.8.1 |
Products include Feehi Feehicms.
How do I fix CVE-2020-21516?
Upgrade feehi/cms to 2.0.8.1 or later.
Is CVE-2020-21516 being exploited?
There is no known exploitation of CVE-2020-21516 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2020-21174 liufee CMS File Upload vulnerability
- CVE-2020-21489 Liufee CMS File Upload vulnerability
- CVE-2020-21322 Arbitrary Code Execution in feehi/cms
- CVE-2025-15264 FeehiCMS TimThumb timthumb.php server-side request forgery
- CVE-2025-65657 FeehiCMS Has a Remote Code Execution via Unrestricted File Upload in Ad Management
Sources
Also known as GHSA-jj62-mc3m-j769.