How severe is CVE-2020-26041?

CVE-2020-26041 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26041 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26041?

CVE-2020-26041 affects Hoosk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26041?

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

When was CVE-2020-26041 published?

CVE-2020-26041 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-26041

CVE-2020-26041 is a critical-severity vulnerability in Hoosk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hoosk
Published: 2020-09-30
Last modified: 2026-06-17

Description

An issue was discovered in Hoosk CmS v1.8.0. There is an Remote Code Execution vulnerability in install/index.php

Frequently asked questions

What is CVE-2020-26041?: An issue was discovered in Hoosk CmS v1.8.0. There is an Remote Code Execution vulnerability in install/index.php
How severe is CVE-2020-26041?: CVE-2020-26041 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26041 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26041?: CVE-2020-26041 affects Hoosk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26041?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-26041 published?: CVE-2020-26041 was published on 2020-09-30 and last updated on 2026-06-17.

References

https://github.com/kr0za/bugs/blob/master/hoosk.md#0x01-install-rce

Affected products (1)

cpe:2.3:a:hoosk:hoosk:1.8.0:*:*:*:*:*:*:*

More vulnerabilities in Hoosk

CVE-2022-43234 — Critical (CVSS 9.8): An arbitrary file upload vulnerability in the /attachments component of Hoosk v1.8 allows attackers to execute…
CVE-2020-26042 — Critical (CVSS 9.8): An issue was discovered in Hoosk CMS v1.8.0. There is a SQL injection vulnerability in install/index.php
CVE-2018-16771 — Critical (CVSS 9.8): Hoosk v1.7.0 allows PHP code execution via a SiteUrl that is provided during installation and mishandled in config.php.
CVE-2018-7590 — High (CVSS 8.8): CSRF exists in Hoosk 1.7.0 via /admin/users/new/add, resulting in account creation.
CVE-2024-51055 — Medium (CVSS 6.5): An issue Hoosk v1.7.1 allows a remote attacker to execute arbitrary code via a crafted script to the config.php…
CVE-2025-25990 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in hooskcms v.1.7.1 allows a remote attacker to obtain sensitive information via the…

All CVEs affecting Hoosk →