CVE-2021-36454

Name: CVE-2021-36454
Creator: NVD / NIST
Published: 2021-08-06T16:15:06.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-36454 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability in Naviwebs Navigate Cms 2.9 via the navigate-quickse parameter to 1) backups\backups.php, 2) blocks\blocks.php, 3) brands\brands.php, 4) comments\comments.php, 5) coupons\coupons.php, 6) feeds\feeds.php, 7) functions\functions.php, 8) items\items.php, 9) menus\menus.php, 10) orders\orders.php, 11) payment_methods\payment_methods.php, 12) products\products.php, 13) profiles\profiles.php, 14) shipping_methods\shipping_methods.php, 15) templates\templates.php, 16) users\users.php, 17) webdictionary\webdictionary.php, 18) websites\websites.php, and 19) webusers\webusers.php because the initial_url function is built in these files.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerability in Naviwebs Navigate Cms 2.9 via the navigate-quickse parameter to 1) backups\backups.php, 2) blocks\blocks.php, 3) brands\brands.php, 4) comments\comments.php, 5) coupons\coupons.php, 6) feeds\feeds.php, 7) functions\functions.php, 8) items\items.php, 9) menus\menus.php, 10) orders\orders.php, 11) payment_methods\payment_methods.php, 12) products\products.php, 13) profiles\profiles.php, 14) shipping_methods\shipping_methods.php, 15) templates\templates.php, 16) users\users.php, 17) webdictionary\webdictionary.php, 18) websites\websites.php, and 19) webusers\webusers.php because the initial_url function is built in these files.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Naviwebs	Navigate Cms	2.9

References

https://github.com/NavigateCMS/Navigate-CMS/issues/24Exploit, Patch, Third Party Advisory
https://www.navigatecms.com/en/blog/development/navigate_cms_update_2_9_4Vendor Advisory
https://github.com/NavigateCMS/Navigate-CMS/issues/24Exploit, Patch, 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-2021-36454?

How severe is CVE-2021-36454?

CVE-2021-36454 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36454?

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-2021-36454?

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

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Source: NVD / NIST