Vulnerability Details : 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 nonexistent image.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2012-4377
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-4377
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-4377
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2012-4377
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-4377
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
#686330 - mediawiki: Multiple security issues CVE-2012-4377,CVE-2012-4378,CVE-2012-4379,CVE-2012-4380,CVE-2012-4381,CVE-2012-4382 - Debian Bug report logsIssue Tracking;Third Party Advisory
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https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
[MediaWiki-announce] MediaWiki security release: 1.19.2 and 1.18.5Patch;Vendor Advisory
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http://www.openwall.com/lists/oss-security/2012/08/31/6
oss-security - CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flawsMailing List;Patch;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2012/08/31/10
oss-security - Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flawsMailing List;Patch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=853409
853409 – (CVE-2012-4377) CVE-2012-4377 mediawiki: Stored XSS via a File::link to a non-existing imageIssue Tracking;Patch
-
https://phabricator.wikimedia.org/T41700
⚓ T41700 A File: link to a non-existing image can inject htmlMailing List;Vendor Advisory
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