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CVE-2015-3439

4.3 · MEDIUM

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, a…

Published Aug 5, 2015debianCWE-79EPSS 5.08%

Overview

CVE-2015-3439 is a medium-severity vulnerability affecting debian debian_linux. It was published on August 5, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refcodex.wordpress.org/Version_4.1.2Reflists.fedoraproject.org/pipermail/package-announce/2015-May/157391.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-May/158271.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-May/158278.htmlRefwww.debian.org/security/2015/dsa-3250Refwww.securityfocus.com/bid/74269Refwww.securitytracker.com/id/1032207Refzoczus.blogspot.com/2015/04/plupload-same-origin-method-execution.htmlRefcore.trac.wordpress.org/changeset/32168Refwordpress.org/news/2015/04/wordpress-4-1-2/

How CyberStrike helps

Frequently asked questions

What is CVE-2015-3439?

CVE-2015-3439 is a medium-severity vulnerability affecting debian debian_linux. It was published on August 5, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2015-3439?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-3439?

Check the references section for vendor advisories and patches from debian. Update debian_linux to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-3439?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-3439 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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