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CVE-2014-2853

14
FAUCET Score

CVE-2014-2853 is a cross-site scripting (XSS) vulnerability affecting MediaWiki versions before 1.21.9 and 1.22.x before 1.22.6, allowing remote attackers to inject arbitrary web script or HTML via the sort key in an info action. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, but no confidentiality or availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.21.8CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.1.0:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.40%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0240 is in the 72nd percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.21.9
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.22.6

Vendor Advisories (1)

composerGHSA-6h86-9r5g-f2h5medium

Cross-site scripting vulnerability in includes/actions/InfoAction.php

May 17, 2022

References

lists.wikimedia.org / pipermail/mediawiki-announce/2014-April/000149.html
bugzilla.redhat.com / show_bug.cgi
bugzilla.wikimedia.org / show_bug.cgi
secunia.com / advisories/58262
Vendor Advisory
github.com / wikimedia/mediawiki-core/commit/0b695ae09aada343ab59be4a3c9963995a1143b6
mediawiki.org / wiki/Release_notes/1.21
Vendor Advisory
mediawiki.org / wiki/Release_notes/1.22
Vendor Advisory
securityfocus.com / bid/67068
securitytracker.com / id/1030161