CVE-2012-4377
Publication date 26 October 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.18.5 and 1.19.x before 1.19.2 allows remote attackers to inject arbitrary web script or HTML via a File: link to a nonexistent image.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| mediawiki | 18.04 LTS bionic |
Not affected
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |