CVE-2011-1765

Public Exploit

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.5, 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 .shtml at the end of the 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 and CVE-2011-1587.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.30%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=702512 patch
http://secunia.com/advisories/44684 third party advisory
http://www.securityfocus.com/bid/47722 vdb entry
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html mailing list patch
https://bugzilla.wikimedia.org/show_bug.cgi?id=28534 exploit
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-1765?
CVE-2011-1765 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1765?
To fix CVE-2011-1765, 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-2011-1765 being actively exploited in the wild?
It is possible that CVE-2011-1765 is being exploited or will be exploited in a near future based on public information. 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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