CVE-2023-47621: 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 uploa...

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.02%

59.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Duncanmcclean	Guest Entries	< 3.1.3

References

Timeline

Published: Nov 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-47621?

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.

How severe is CVE-2023-47621?

CVE-2023-47621 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2023-47621?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.