Name: CVE-2012-4377: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2017-10-26T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2012-4377, CWE-79, CVSS 6.1, EPSS 0.00998

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.

CVSS Details

CVSS 3.0 Base Score: 6.1
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade mediawiki	Jul 30, 2024	Oct 26, 2017
Freebsd	—	Upgrade mediawiki	Dec 10, 2025	Sep 1, 2012
Mediawiki	—	Upgrade MediaWiki to the latest version	Oct 23, 2019	Oct 26, 2017

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CVSS Details

Covered by Rapid7

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