Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache VCL in the User Lookup form. A user with sufficient rights to be able to view this part of the site can craft a URL or be tricked in to clicking a URL that will give a specified user elevated rights.
This issue affects all versions of Apache VCL through 2.5.1.
Users are recommended to upgrade to version 2.5.2, which fixes the issue.
Metrics
CVSS 3.1 5.4/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache VCL | >= 2.1, <= 2.5.1 |
References
- https://lists.apache.org/thread/bq5vs0hndt9cz9b6rpfr5on1nd4qrmyrIssue Tracking, Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2025/03/24/2Mailing List, Third Party Advisory
Timeline
- Published
- Mar 25, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed