What’s Vulnerable › Vulnerabilities

CVE-2018-1999008

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-07-23 · updated 2026-06-17
• Weakness: CWE-79

Description

October CMS version prior to build 437 contains a Cross Site Scripting (XSS) vulnerability in the Media module and create folder functionality that can result in an Authenticated user with media module permission creating arbitrary folder name with XSS content. This attack appear to be exploitable via an Authenticated user with media module permission who can create arbitrary folder name (XSS). This vulnerability appears to have been fixed in build 437.

Affected products

• octobercms october: before 1.0.437 — fixed in 1.0.437

How to fix

Upgrade to a fixed version: octobercms october 1.0.437. Check the vendor advisory for mitigations.

References

• https://octobercms.com/support/article/rn-10
• https://octobercms.com/support/article/rn-10

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