drupal/webform - SA-CONTRIB-2026-162
The Webform module allows site builders to create forms, collect submissions, and configure access to forms and submission data.
The module does not sufficiently restrict access to the custom attributes YAML editor. Users with permission to create or edit webforms (but without permission to edit webform source) may be able to add custom attributes, leading to cross-site scripting.
This vulnerability is mitigated by the fact that an attacker must have a role with permission to create or edit webforms.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/webform | < 6.2.12, >= 6.3.0, < 6.3.1 | 6.2.12, 6.3.1 |
| Drupal module | drupal/webform | < 6.2.12, >= 6.3.0, < 6.3.1 | 6.2.12, 6.3.1 |
References
- Weakness (CWE)
-- Platform
- Composer, Drupal
- Package
drupal/webform- Disclosed
- 23.09.2026
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - DRUPAL-CONTRIB-2026-162 - CC BY-SA 2.0; code GPL-2.0-or-later
Vulnerability history: drupal/webform
All published vulnerabilities of this package (Drupal module), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 31
- First → latest
- 05.2020 09.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Unrated 31
Disclosures per year
- 2020: 8
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 20
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