CVE-2021-36455

Name: CVE-2021-36455
Creator: NVD / NIST
Published: 2021-08-06T16:15:07.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.10%

Last modified Jun 17, 2026

CVE-2021-36455 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SQL Injection vulnerability in Naviwebs Navigate CMS 2.9 via the quicksearch parameter in \lib\packages\comments\comments.php.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

SQL Injection vulnerability in Naviwebs Navigate CMS 2.9 via the quicksearch parameter in \lib\packages\comments\comments.php.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.10%

61.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Naviwebs	Navigate Cms	2.9

References

https://github.com/NavigateCMS/Navigate-CMS/issues/25Exploit, Third Party Advisory
https://www.navigatecms.com/en/blog/development/navigate_cms_update_2_9_4Vendor Advisory
https://github.com/NavigateCMS/Navigate-CMS/issues/25Exploit, Third Party Advisory
https://www.navigatecms.com/en/blog/development/navigate_cms_update_2_9_4Vendor Advisory

Timeline

Published: Aug 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36455?

SQL Injection vulnerability in Naviwebs Navigate CMS 2.9 via the quicksearch parameter in \lib\packages\comments\comments.php.

How severe is CVE-2021-36455?

CVE-2021-36455 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36455?

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-2021-36455?

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

Scan your code now

Source: NVD / NIST