How severe is CVE-2023-44382?

CVE-2023-44382 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44382 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44382?

CVE-2023-44382 affects Octobercms October. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-44382?

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-2023-44382 published?

CVE-2023-44382 was published on 2023-12-01 and last updated on 2026-06-17.

CVE-2023-44382

CVE-2023-44382 is a critical-severity vulnerability in Octobercms October with a CVSS 3.x base score of 9.1. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Octobercms October
Published: 2023-12-01
Last modified: 2026-06-17

Description

October is a Content Management System (CMS) and web platform to assist with development workflow. An authenticated backend user with the `editor.cms_pages`, `editor.cms_layouts`, or `editor.cms_partials` permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to `cms.safe_mode` being enabled can write specific Twig code to escape the Twig sandbox and execute arbitrary PHP. This issue has been patched in 3.4.15.

Frequently asked questions

What is CVE-2023-44382?: October is a Content Management System (CMS) and web platform to assist with development workflow. An authenticated backend user with the `editor.cms_pages`, `editor.cms_layouts`, or `editor.cms_partials` permissions who would normally not be permitted to provide PHP code to be executed by the CMS due to `cms.safe_mode` being enabled can write specific Twig code to escape the Twig sandbox and execute arbitrary PHP. This issue has been patched in 3.4.15.
How severe is CVE-2023-44382?: CVE-2023-44382 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44382 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44382?: CVE-2023-44382 affects Octobercms October. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-44382?: 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-2023-44382 published?: CVE-2023-44382 was published on 2023-12-01 and last updated on 2026-06-17.

References

https://github.com/octobercms/october/security/advisories/GHSA-p8q3-h652-65vx

Affected products (1)

cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*

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