CVE-2021-36503

Name: CVE-2021-36503
Creator: NVD / NIST
Published: 2023-02-03T18:15:10.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-36503 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. SQL injection vulnerability in native-php-cms 1.0 allows remote attackers to run arbitrary SQL commands via the cat parameter to /list.php file.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

SQL injection vulnerability in native-php-cms 1.0 allows remote attackers to run arbitrary SQL commands via the cat parameter to /list.php file.

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

0.85%

53.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Native-Php-Cms Project	Native-Php-Cms	1.0

References

https://github.com/Fanli2012/native-php-cms/issues/3Exploit, Issue Tracking, Third Party Advisory
https://github.com/Fanli2012/native-php-cms/issues/3Exploit, Issue Tracking, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-36503?

SQL injection vulnerability in native-php-cms 1.0 allows remote attackers to run arbitrary SQL commands via the cat parameter to /list.php file.

How severe is CVE-2021-36503?

CVE-2021-36503 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36503?

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-2021-36503?

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

Scan your code now

Source: NVD / NIST