Drupal core - SA-CORE-2025-001
Drupal core doesn't sufficiently filter error messages under certain circumstances, leading to a reflected Cross Site Scripting vulnerability (XSS).
Sites are encouraged to update. There are not yet public documented steps to exploit this, but there may be soon given the nature of this issue.
This issue is being protected by Drupal Steward. Sites that use Drupal Steward are already protected, but are still encouraged to upgrade in the near future.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | drupal/core | >= 8.0.0, < 10.3.13, >= 10.4.0, < 10.4.3, >= 11.0.0, < 11.0.12, >= 11.1.0, < 11.1.3 | 10.3.13, 10.4.3, 11.0.12, 11.1.3 |
| Drupal (core) | drupal/core | >= 8.0.0, < 10.3.13, >= 10.4.0, < 10.4.3, >= 11.0.0, < 11.0.12, >= 11.1.0, < 11.1.3 | 10.3.13, 10.4.3, 11.0.12, 11.1.3 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer, Drupal
- Package
drupal/core- Disclosed
- 19.02.2025
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - GHSA-39g6-x4x8-5jcm - CC BY 4.0
OSV / GitHub Advisory Database - DRUPAL-CORE-2025-001 - CC BY-SA 2.0; code GPL-2.0-or-later
Vulnerability history: drupal/core
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 146
- First → latest
- 02.2018 09.2026
- Without a fix
- 3
- Exploited in attacks
- 5
Severity breakdown
- Critical 15
- High 40
- Medium 60
- Low 5
- Unrated 26
Disclosures per year
- 2018: 4
- 2019: 14
- 2020: 12
- 2021: 11
- 2022: 55
- 2023: 6
- 2024: 23
- 2025: 8
- 2026: 13
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