CVE-2011-1587

medium Microsoft
CVSS v3 Base Score
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS Score
0.2%
Exploitation probability in 30 days
Top 55% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
P
Availability
None
Published: April 27, 2011 (5497 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578.

CWE

CWE-79

Affected Products

mediawiki mediawiki

References

🔗 lists.wikimedia.org 🔗 openwall.com 🔗 www.debian.org 🔗 bugzilla.redhat.com 🔗 lists.wikimedia.org