Home/CVE/Cross-site scripting (XSS) vulnerability in MediaWiki before 1.18.5 and 1.19.x before 1.19.2 allows remote attackers to
CVE

CVE-2012-4377

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.18.5 and 1.19.x before 1.19.2 allows remote attackers to

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.

MEDIUM · CVSS 6.1 EPSS 0.00998
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
mediawiki<= 1.18.4
mediawikiall versions
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Oct 2017 · 08:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2012/08/31/10Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2012/08/31/6Mailing ListPatchThird Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330Issue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=853409Issue TrackingPatch
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.htmlPatchVendor Advisory
https://phabricator.wikimedia.org/T41700Mailing ListVendor Advisory
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