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CVE-2011-1578

18
FAUCET Score

CVE-2011-1578 describes a cross-site scripting (XSS) vulnerability in MediaWiki versions prior to 1.16.3, specifically when accessed via Internet Explorer 6 or earlier. An attacker could inject arbitrary web script or HTML by uploading a file with a dangerous extension like .html, manipulating the URI path with a %2E sequence. This vulnerability has a CVSS score of 4.3, indicating a medium severity due to its network-based attack vector and medium attack complexity, with potential for partial integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.7CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.4.7:*:*:*:*:*:*:*
1.4.8CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.4.8:*:*:*:*:*:*:*
1.4.9CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.4.9:*:*:*:*:*:*:*
1.4.10CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.4.10:*:*:*:*:*:*:*
1.4.11CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.4.11:*:*:*:*:*:*:*

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
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 75th percentile among its peer group of 19,958 CVEs.

Social Chatter

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)

fedorapatch availablevia nvd_reference
View patch
redhatpatch availablevia nvd_reference
View patch

References

lists.fedoraproject.org / pipermail/package-announce/2011-April/058588.html
Patch
lists.fedoraproject.org / pipermail/package-announce/2011-April/058910.html
lists.fedoraproject.org / pipermail/package-announce/2011-April/059232.html
lists.fedoraproject.org / pipermail/package-announce/2011-April/059235.html
lists.wikimedia.org / pipermail/mediawiki-announce/2011-April/000096.html
PatchVendor Advisory
openwall.com / lists/oss-security/2011/04/13/15
Patch
bugzilla.redhat.com / show_bug.cgi
Patch
bugzilla.redhat.com / show_bug.cgi
Patch
bugzilla.wikimedia.org / show_bug.cgi
ExploitPatch
secunia.com / advisories/44142
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/66737
debian.org / security/2011/dsa-2366
securityfocus.com / bid/47354
vupen.com / english/advisories/2011/0978
Vendor Advisory
vupen.com / english/advisories/2011/1100
vupen.com / english/advisories/2011/1151