CVE-2011-1587

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.

References

Link	Tags
http://openwall.com/lists/oss-security/2011/04/18/5	mailing list patch
http://www.debian.org/security/2011/dsa-2366	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=696360	patch
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000097.html	mailing list patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-1587?: CVE-2011-1587 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1587?: To fix CVE-2011-1587, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1587 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2011-1587 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions