XSS in MediaWiki
CVE-2011-1587
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.
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: 0.017 (76.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- MediaWiki — versions 1.1.0, 1.2.0, 1.2.1
- Microsoft Internet Explorer — versions 3.0, 4.0, 5.0
Weakness classification (CWE)
References
- openwall.com/lists/oss-security/2011/04/18/5 (mailing-list, Patch)
- www.debian.org/security/2011/dsa-2366 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch)
- lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000097.html (Vendor Advisory, mailing-list, Patch)