Drupal up to 10.6.18/11.3.18/11.4.9/12.0.0-beta1 Core cross site scripting

Summaryinfo

A vulnerability has been found in Drupal up to 10.6.18/11.3.18/11.4.9/12.0.0-beta1 and classified as problematic. This affects an unknown function of the component Core. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2026-108514. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Drupal up to 10.6.18/11.3.18/11.4.9/12.0.0-beta1. It has been classified as problematic. This affects an unknown part of the component Core. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 10.3.0 to 10.6.19, from 11.0.0 to 11.3.19, from 11.4.0 to 11.4.10, from 12.0.0-alpha1 to 12.0.0-beta2.

The advisory is shared at drupal.org. This vulnerability is uniquely identified as CVE-2026-108514 since 10/10/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 10.6.19, 11.3.19, 11.4.10 or 12.0.0-beta2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Name

• Drupal

Version

• 10.6.0
• 10.6.1
• 10.6.2
• 10.6.3
• 10.6.4
• 10.6.5
• 10.6.6
• 10.6.7
• 10.6.8
• 10.6.9
• 10.6.10
• 10.6.11
• 10.6.12
• 10.6.13
• 10.6.14
• 10.6.15
• 10.6.16
• 10.6.17
• 10.6.18
• 11.3.0
• 11.3.1
• 11.3.2
• 11.3.3
• 11.3.4
• 11.3.5
• 11.3.6
• 11.3.7
• 11.3.8
• 11.3.9
• 11.3.10
• 11.3.11
• 11.3.12
• 11.3.13
• 11.3.14
• 11.3.15
• 11.3.16
• 11.3.17
• 11.3.18
• 11.4.0
• 11.4.1
• 11.4.2
• 11.4.3
• 11.4.4
• 11.4.5
• 11.4.6
• 11.4.7
• 11.4.8
• 11.4.9
• 12.0.0-beta1

License

• open-source

Website

• Product: https://www.drupal.org/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion