How severe is CVE-2018-17553?

CVE-2018-17553 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17553?

CVE-2018-17553 affects Naviwebs Navigate Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17553?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-17553 published?

CVE-2018-17553 was published on 2018-10-03 and last updated on 2026-06-17.

CVE-2018-17553

CVE-2018-17553 is a high-severity vulnerability in Naviwebs Navigate Cms with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 79% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 79% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Naviwebs Navigate Cms
Published: 2018-10-03
Last modified: 2026-06-17

Description

An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.

Frequently asked questions

What is CVE-2018-17553?: An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.
How severe is CVE-2018-17553?: CVE-2018-17553 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17553?: CVE-2018-17553 affects Naviwebs Navigate Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-17553 published?: CVE-2018-17553 was published on 2018-10-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:naviwebs:navigate_cms:2.8:*:*:*:*:*:*:*

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-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…
CVE-2020-14015 — High (CVSS 7.5): An issue was discovered in Navigate CMS 2.9 r1433. When performing a password reset, a user is emailed an activation…

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