CVE-2011-1765

4.3 · MEDIUM

Published May 23, 2011mediawikiCWE-79EPSS 2.10%AV:N/AC:M/Au:N/C:N/I:P/A:N

Overview

CVE-2011-1765 is a medium-severity vulnerability affecting mediawiki mediawiki. It was published on May 23, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from mediawiki. Update mediawiki to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

Vendor	Product	Versions	Status
mediawiki	mediawiki	0	Affected
microsoft	internet_explorer	0	Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html Reflists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html Reflists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html Reflists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html Refsecunia.com/advisories/44684 Refwww.securityfocus.com/bid/47722 Refbugzilla.redhat.com/show_bug.cgi?id=702512 Refbugzilla.wikimedia.org/show_bug.cgi?id=28534 Reflists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html Reflists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1765?

CVE-2011-1765 is a medium-severity vulnerability affecting mediawiki mediawiki. It was published on May 23, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-1765?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1765?

How can CyberStrike help with CVE-2011-1765?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1765 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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