CVE-2016-4567

Description

Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by "jsinitfunctio%gn."

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.31% Top 15%
Vendor Advisory wordpress.org Vendor Advisory github.com Vendor Advisory github.com Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/johndyer/mediaelement/blob/master/changelog.md patch vendor advisory
http://www.openwall.com/lists/oss-security/2016/05/07/2 mailing list
https://codex.wordpress.org/Version_4.5.2 patch vendor advisory
http://www.securitytracker.com/id/1035818 vdb entry third party advisory
https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c third party advisory
https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e patch vendor advisory
https://wpvulndb.com/vulnerabilities/8488 third party advisory
https://wordpress.org/news/2016/05/wordpress-4-5-2/ patch vendor advisory
https://core.trac.wordpress.org/changeset/37371 patch

Frequently Asked Questions

What is the severity of CVE-2016-4567?
CVE-2016-4567 has been scored as a medium severity vulnerability.
How to fix CVE-2016-4567?
To fix CVE-2016-4567, 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-2016-4567 being actively exploited in the wild?
It is possible that CVE-2016-4567 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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