Medium severity · published Oct 26, 2017
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 inject arbitrary web script or HTML via a File: link to a…
6.1
CVSS
1.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.18.4; 1.19.0; 1.19.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-4377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-4377
Mailing List
http://www.openwall.com/lists/oss-security/2012/08/31/10
Mailing List
http://www.openwall.com/lists/oss-security/2012/08/31/6
Issue Tracking
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=853409
Patch
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
Mailing List
https://phabricator.wikimedia.org/T41700
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