Servers and applications
CVE-2011-1578
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.3, 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 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.
- Severity
- Medium 4.3
- Published
- 27 Apr 2011
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Exploit chance
- 2.6% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- Cross-site scripting (CWE-79)
- Attack
- Over the network · No login needed
- Attacker can
- Change some data
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki |
All 133 release lines
|