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CVE-2011-1587

Date: April 26, 2011

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.

Language: PHP

Severity Score

Related Resources (7)

http://www.debian.org/security/2011/dsa-2366
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000097.html
https://nvd.nist.gov/vuln/detail/CVE-2011-1587
https://security-tracker.debian.org/tracker/CVE-2011-1587
https://bugzilla.redhat.com/show_bug.cgi?id=696360
http://openwall.com/lists/oss-security/2011/04/18/5
https://www.mend.io/vulnerability-database/CVE-2011-1587

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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