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CVE-2014-9478

12
FAUCET Score

CVE-2014-9478 describes a cross-site scripting (XSS) vulnerability in the ExpandTemplates extension for MediaWiki, specifically when the $wgRawHTML setting is enabled. An attacker could inject arbitrary web script or HTML via the wpInput parameter on the Special:ExpandTemplates page. This vulnerability has a low CVSS score of 2.6, indicating a network-based attack with high attack complexity and only partial integrity impact, meaning it's difficult to exploit and has limited consequences. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.19.22CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
1.20CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.20:*:*:*:*:*:*:*
1.20.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.20.1:*:*:*:*:*:*:*
1.20.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.20.2:*:*:*:*:*:*:*
1.20.3CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.20.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
65.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 46th percentile among its peer group of 1,506 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, 0.1 Bluesky, 0.0 Mastodon, and 0.3 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

Remediation records are not available for this CVE.

References

lists.wikimedia.org / pipermail/mediawiki-announce/2014-December/000173.html
Vendor Advisory
phabricator.wikimedia.org / T73111
Exploit
openwall.com / lists/oss-security/2014/12/21/2
openwall.com / lists/oss-security/2015/01/03/13