October CMS up to 3.7.15/4.1.15 DataTable Widget cross site scripting

Summaryinfo

A vulnerability was found in October CMS up to 3.7.15/4.1.15 and classified as problematic. This issue affects some unknown processing of the component DataTable Widget. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2026-27937. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in October CMS up to 3.7.15/4.1.15. This vulnerability affects an unknown code of the component DataTable Widget. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping. This vulnerability is fixed in 3.7.16 and 4.1.16.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-27937 since 02/25/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 3.7.16 or 4.1.16 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• October

Name

• CMS

Version

• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4
• 3.7.5
• 3.7.6
• 3.7.7
• 3.7.8
• 3.7.9
• 3.7.10
• 3.7.11
• 3.7.12
• 3.7.13
• 3.7.14
• 3.7.15
• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15

License

• commercial

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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