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Fencer Vulns
high 7.5

CVE-2004-1405 json

MediaWiki 1.3.8 and earlier, when used with Apache mod_mime, does not properly handle files with two file extensions, such as .php.rar, whi…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1402

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

MediaWiki 1.3.8 and earlier, when used with Apache mod_mime, does not properly handle files with two file extensions, such as .php.rar, which allows remote attackers to upload and execute arbitrary code.

Patch / fix

  • mediawiki Debian 14, Debian 13, Debian 12 1.4.9

debian advisories DEBIAN-CVE-2004-1405

Timeline

  1. First public exploit (EDB-24994)
  2. Published

Exploit prediction

5.15% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-24994 MediaWiki 1.3.x - Arbitrary Script Upload webapps, 2004-12-16
  • securityfocus.com http://www.securityfocus.com/bid/11985 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.