CVE-2023-47621 Remote code execution via file uploads in guest-entries
Authenticated users can upload PHP files to execute arbitrary code on the server due to missing file type restrictions in the guest-entries library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-47621?
CVE-2023-47621 is a high-severity vulnerability in duncanmcclean guest-entries, published on 13 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Guest Entries is a php library which allows users to create, update & delete entries from the front-end of a site. In affected versions the file uploads feature did not prevent the upload of PHP files. This may lead to code execution on the server by authenticated users. This vulnerability is fixed in v3.1.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-434
Which versions are affected by CVE-2023-47621?
4 open source packages ship an affected version, including duncanmcclean/guest-entries and doublethreedigital/guest-entries. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
duncanmcclean/guest-entries Packagist | All versions | 3.1.2 |
duncanmcclean/guest-entries Packagist | All versions | 3.1.2 |
doublethreedigital/guest-entries Packagist | All versions | 3.1.2 |
doublethreedigital/guest-entries Packagist | All versions | 3.1.2 |
Products include Duncanmcclean Guest Entries.
How do I fix CVE-2023-47621?
Upgrade duncanmcclean/guest-entries to 3.1.2 or later.
Is CVE-2023-47621 being exploited?
There is no known exploitation of CVE-2023-47621 in the wild and no public exploit code.
Sources
Also known as GHSA-rw82-mhmx-grmj.