CVE-2025-12848 – XSS vulnerability when rendering filename in Webform Multiform

CVE ID : CVE-2025-12848

Published : Nov. 26, 2025, 2:15 a.m. | 20 minutes ago

Description : Webform Multiple File Upload module for Drupal 7.x contains a cross-site scripting (XSS) vulnerability in the file name renderer. An unauthenticated attacker can exploit this vulnerability by uploading a file with a malicious
filename containing JavaScript code (e.g., “”) to a Webform node with a Multifile field where file type validation is disabled. This allows the execution of arbitrary scripts
in the context of the victim’s browser.

The issue is present in a third-party library and has been addressed in a patch available at  https://github.com/fyneworks/multifile/pull/44 . Users are advised to apply the provided patch or update to a fixed version of the module.

Severity: 7.0 | HIGH

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