CVE-2014-9476

Public Exploit

Description

MediaWiki 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote attackers to bypass CORS restrictions in $wgCrossSiteAJAXdomains via a domain that has a partial match to an allowed origin, as demonstrated by "http://en.wikipedia.org.evilsite.example/."

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.72% Top 30%
Vendor Advisory mandriva.com Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T77028 exploit
http://www.openwall.com/lists/oss-security/2015/01/03/13 mailing list
http://www.openwall.com/lists/oss-security/2014/12/21/2 mailing list
http://www.mandriva.com/security/advisories?name=MDVSA-2015:006 vendor advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-9476?
CVE-2014-9476 has been scored as a medium severity vulnerability.
How to fix CVE-2014-9476?
To fix CVE-2014-9476, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-9476 being actively exploited in the wild?
It is possible that CVE-2014-9476 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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