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Vulnerability record · CVE-2025-12848 · published 26 November 2025

CVE-2025-12848: Webform multiple file upload project webform multiple file upload cross-site scripting vulnerability

WWebform Multiple File Upload Project · Webform Multiple File Upload

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., "<img src=1 onerror=alert(document.domain)>") 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.

7.0 CVSS 4.0 High EPSS 0.33% · top 76.0% CWE-79 · Cross-site scripting
7.0CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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., "<img src=1 onerror=alert(document.domain)>") 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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://d7es.tag1.com/security-advisories/webform-multiple-file-upload-critical-cross-site-scripting
https://www.d7security.org/security-advisories/D7SECURITY-SA-CONTRIB-2025-001/
https://www.drupal.org/node/3105204 PatchVendor Advisory
https://www.herodevs.com/vulnerability-directory/cve-2025-12848

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Source: NIST National Vulnerability Database (record CVE-2025-12848), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.