CVE-2023-53869

Name: CVE-2023-53869
Creator: NVD / NIST
Published: 2025-12-15T21:15:49.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2023-53869 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. WEBIGniter 28.7.23 contains a file upload vulnerability that allows authenticated attackers to upload and execute dangerous PHP files through the media function. Attackers can leverage any created account to upload malicious PHP scripts that enable remote code execution on the application server.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

WEBIGniter 28.7.23 contains a file upload vulnerability that allows authenticated attackers to upload and execute dangerous PHP files through the media function. Attackers can leverage any created account to upload malicious PHP scripts that enable remote code execution on the application server.

Metrics

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

0.43%

34.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

References

Timeline

Published: Dec 15, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2023-53869?

How severe is CVE-2023-53869?

CVE-2023-53869 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53869?

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-2023-53869?

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

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Source: NVD / NIST