CVE-2015-2941

Public Exploit

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php, which is not properly handled in an error message, related to unsafe calls to wddx_serialize_value.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory gentoo.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201510-05 vendor advisory
https://phabricator.wikimedia.org/T85851 exploit
http://www.securityfocus.com/bid/73477 vdb entry
http://www.openwall.com/lists/oss-security/2015/04/07/3 mailing list
http://www.openwall.com/lists/oss-security/2015/04/01/1 mailing list
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html mailing list patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-2941?
CVE-2015-2941 has been scored as a medium severity vulnerability.
How to fix CVE-2015-2941?
To fix CVE-2015-2941, 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-2015-2941 being actively exploited in the wild?
It is possible that CVE-2015-2941 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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