XSS in MediaWiki
CVE-2011-1765
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- MediaWiki — versions 1.1.0, 1.2.0, 1.2.1
- Microsoft Internet Explorer — versions 3.0, 4.0, 5
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch)
- secunia.com/advisories/44684 (third-party-advisory)
- www.securityfocus.com/bid/47722 (vdb-entry)
- lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html (mailing-list, Patch)
- bugzilla.wikimedia.org/show_bug.cgi (Exploit)
- lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html (vendor-advisory)