CVE-2015-3439

Public Exploit

Description

Cross-site scripting (XSS) vulnerability in the Ephox (formerly Moxiecode) plupload.flash.swf shim 2.1.2 in Plupload, as used in WordPress 3.9.x, 4.0.x, and 4.1.x before 4.1.2 and other products, allows remote attackers to execute same-origin JavaScript functions via the target parameter, as demonstrated by executing a certain click function, related to _init.as and _fireEvent.as.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.11% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://zoczus.blogspot.com/2015/04/plupload-same-origin-method-execution.html exploit
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html vendor advisory
https://wordpress.org/news/2015/04/wordpress-4-1-2/ exploit vendor advisory
https://wpvulndb.com/vulnerabilities/7933
http://www.securityfocus.com/bid/74269 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html vendor advisory
http://www.securitytracker.com/id/1032207 vdb entry
https://core.trac.wordpress.org/changeset/32168
http://www.debian.org/security/2015/dsa-3250 vendor advisory
http://codex.wordpress.org/Version_4.1.2 patch exploit
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-3439?
CVE-2015-3439 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3439?
To fix CVE-2015-3439, 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-2015-3439 being actively exploited in the wild?
It is possible that CVE-2015-3439 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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