CVE-2023-53941

Name: CVE-2023-53941
Creator: NVD / NIST
Published: 2025-12-18T20:15:52.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.3/10EPSS 5.70%

Last modified Jun 17, 2026

CVE-2023-53941 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. EasyPHP Webserver 14.1 contains an OS command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by injecting malicious payloads through the app_service_control parameter. Attackers can send POST requests to /index.php?zone=settings with crafted app_service_control values to execute commands with administrative privileges.. EPSS estimates a 5.70% chance of exploitation in the next 30 days.

Description

EasyPHP Webserver 14.1 contains an OS command injection vulnerability that allows unauthenticated attackers to execute arbitrary system commands by injecting malicious payloads through the app_service_control parameter. Attackers can send POST requests to /index.php?zone=settings with crafted app_service_control values to execute commands with administrative privileges.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

9.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

5.70%

92.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Easyphp	Webserver	14.1

References

https://www.easyphp.org/Product
https://www.exploit-db.com/exploits/51430Exploit
https://www.vulncheck.com/advisories/easyphp-webserver-remote-code-executionExploit, Third Party Advisory

Timeline

Published: Dec 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-53941?

How severe is CVE-2023-53941?

CVE-2023-53941 has a CVSS score of 9.3/10 (CRITICAL severity). The EPSS model estimates a 5.70% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53941?

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.

Are you affected by CVE-2023-53941?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST