How severe is CVE-2021-36454?

CVE-2021-36454 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-36454 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36454?

CVE-2021-36454 affects Naviwebs Navigate Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36454?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36454 published?

CVE-2021-36454 was published on 2021-08-06 and last updated on 2026-06-17.

CVE-2021-36454

CVE-2021-36454 is a medium-severity vulnerability in Naviwebs Navigate Cms with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Naviwebs Navigate Cms
Published: 2021-08-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-36454?: 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.
How severe is CVE-2021-36454?: CVE-2021-36454 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-36454 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36454?: CVE-2021-36454 affects Naviwebs Navigate Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36454?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36454 published?: CVE-2021-36454 was published on 2021-08-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:naviwebs:navigate_cms:2.9:*:*:*:*:*:*:*

More vulnerabilities in Naviwebs Navigate Cms

CVE-2020-23711 — Critical (CVSS 9.8): SQL Injection vulnerability in NavigateCMS 2.9 via the URL encoded GET input category in navigate.php.
CVE-2018-17552 — Critical (CVSS 9.8): SQL Injection in login.php in Naviwebs Navigate CMS 2.8 allows remote attackers to bypass authentication via the…
CVE-2021-36455 — High (CVSS 8.8): SQL Injection vulnerability in Naviwebs Navigate CMS 2.9 via the quicksearch parameter in…
CVE-2018-17553 — High (CVSS 8.8): An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs…
CVE-2021-44351 — High (CVSS 7.5): An arbitrary file read vulnerability exists in NavigateCMS 2.9 via /navigate/navigate_download.php id parameter.
CVE-2020-14017 — High (CVSS 7.5): An issue was discovered in Navigate CMS 2.9 r1433. Sessions, as well as associated information such as CSRF tokens, are…

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