CVE-2016-4567: XSS
First published: Sun May 22 2016(Updated: )
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."
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/contao-components/mediaelement | >=2.14.2<2.21.1 | |
| composer/contao/core | >=3.0.0<3.5.15 | |
| composer/contao/core | >=3.0.0<3.5.15 | 3.5.15 |
| composer/contao-components/mediaelement | >=2.14.2<2.21.1 | 2.21.1 |
| npm/mediaelement | <2.11.1 | 2.11.1 |
| Mediaelementjs Mediaelement.js | <=2.20.1 | |
| WordPress | <=4.5.1 |
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Reference Links
- https://contao.org/en/news/contao-3_5_15.html
- http://www.openwall.com/lists/oss-security/2016/05/07/2
- http://www.securitytracker.com/id/1035818
- https://codex.wordpress.org/Version_4.5.2
- https://core.trac.wordpress.org/changeset/37371
- https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c
- https://github.com/johndyer/mediaelement/blob/master/changelog.md
- https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e
- https://wordpress.org/news/2016/05/wordpress-4-5-2/
- https://wpvulndb.com/vulnerabilities/8488
- https://nvd.nist.gov/vuln/detail/CVE-2016-4567
- https://github.com/mediaelement/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao-components/mediaelement/CVE-2016-4567.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2016-4567.yaml
- https://github.com/mediaelement/mediaelement/blob/b992ccf5f0c04a207d98bbb0868420751a61ec90/changelog.md?plain=1#L1024
- https://github.com/mediaelement/mediaelement/blob/master/changelog.md
- https://web.archive.org/web/20170205142412/http://www.securitytracker.com/id/1035818
- https://github.com/advisories/GHSA-277w-qpxr-2549 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-4567?
CVE-2016-4567 is classified as a medium severity cross-site scripting (XSS) vulnerability.
How do I fix CVE-2016-4567?
To fix CVE-2016-4567, upgrade MediaElement.js to version 2.21.0 or later and WordPress to version 4.5.2 or later.
Which versions of WordPress are affected by CVE-2016-4567?
CVE-2016-4567 affects WordPress versions prior to 4.5.2.
What components are vulnerable in CVE-2016-4567?
The vulnerable components in CVE-2016-4567 include MediaElement.js versions from 2.14.2 up to 2.21.1.
Can CVE-2016-4567 be exploited by remote attackers?
Yes, CVE-2016-4567 can be exploited by remote attackers to inject arbitrary web script or HTML.
- collector/friends-of-php
- agent/type
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- source/GitHub
- alias/GHSA-277w-qpxr-2549
- alias/CVE-2016-4567
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