Medium severity6.1NVD Advisory· Published May 22, 2016· Updated Jun 17, 2026
CVE-2016-4567
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."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mediaelementnpm | < 2.11.1 | 2.11.1 |
contao-components/mediaelementPackagist | >= 2.14.2, < 2.21.1 | 2.21.1 |
contao/corePackagist | >= 3.0.0, < 3.5.15 | 3.5.15 |
Affected products
5- cpe:2.3:a:mediaelementjs:mediaelement.js:*:*:*:*:*:*:*:*Range: <=2.20.1
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*Range: <=4.5.1
- ghsa-coords3 versions
>= 2.14.2, < 2.21.1+ 2 more
- (no CPE)range: >= 2.14.2, < 2.21.1
- (no CPE)range: >= 3.0.0, < 3.5.15
- (no CPE)range: < 2.11.1
Patches
Vulnerability mechanics
References
19- codex.wordpress.org/Version_4.5.2nvdPatchVendor AdvisoryWEB
- core.trac.wordpress.org/changeset/37371nvdPatchWEB
- github.com/johndyer/mediaelement/blob/master/changelog.mdnvdPatchVendor AdvisoryWEB
- github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06envdPatchVendor AdvisoryWEB
- wordpress.org/news/2016/05/wordpress-4-5-2/nvdPatchVendor Advisory
- www.securitytracker.com/id/1035818nvdThird Party AdvisoryVDB EntryWEB
- gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9cnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-277w-qpxr-2549ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2016-4567ghsaADVISORY
- wpvulndb.com/vulnerabilities/8488nvdThird Party AdvisoryWEB
- www.openwall.com/lists/oss-security/2016/05/07/2nvdWEB
- contao.org/en/news/contao-3_5_15.htmlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/contao-components/mediaelement/CVE-2016-4567.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2016-4567.yamlghsaWEB
- github.com/mediaelement/mediaelement/blob/b992ccf5f0c04a207d98bbb0868420751a61ec90/changelog.mdghsaWEB
- github.com/mediaelement/mediaelement/blob/master/changelog.mdghsaWEB
- github.com/mediaelement/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06eghsaWEB
- web.archive.org/web/20170205142412/http://www.securitytracker.com/id/1035818ghsaWEB
- wordpress.org/news/2016/05/wordpress-4-5-2ghsaWEB
News mentions
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