CVE-2021-36424

Name: CVE-2021-36424
Creator: NVD / NIST
Published: 2023-02-03T18:15:09.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2021-36424 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue discovered in phpwcms 1.9.25 allows remote attackers to run arbitrary code via DB user field during installation.. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

An issue discovered in phpwcms 1.9.25 allows remote attackers to run arbitrary code via DB user field during installation.

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

EPSS Probability

1.18%

63.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phpwcms	Phpwcms	< 1.9.26

References

https://github.com/slackero/phpwcms/issues/310Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/slackero/phpwcms/issues/310Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Feb 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36424?

An issue discovered in phpwcms 1.9.25 allows remote attackers to run arbitrary code via DB user field during installation.

How severe is CVE-2021-36424?

CVE-2021-36424 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36424?

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-2021-36424?

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

Scan your code now

Source: NVD / NIST