CVE-2023-53942

HIGH
Published Dec 18, 2025 Modified Dec 31, 2025 CWE-434

Description

File Thingie 2.5.7 contains an authenticated file upload vulnerability that allows remote attackers to upload malicious PHP zip archives to the web server. Attackers can create a custom PHP payload, upload and unzip it, and then execute arbitrary system commands through a crafted PHP script with a command parameter.

Is your site exposed to CVE-2023-53942?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor Product
leefish file_thingie

References

Frequently Asked Questions

What is CVE-2023-53942? +
File Thingie 2.5.7 contains an authenticated file upload vulnerability that allows remote attackers to upload malicious PHP zip archives to the web server. Attackers can create a custom PHP payload, upload and unzip it, and then execute arbitrary system commands through a crafted PHP script with a command parameter. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2023-53942? +
CVE-2023-53942 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-53942? +
CVE-2023-53942 affects products from leefish, specifically: file_thingie. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-53942? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2023-53942 — free, no signup required.