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CVE-2016-4567
Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before…
Medium6.1EPSS 7.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 7.4% · top 5.6% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistcontao-components/mediaelementGHSA-277w-qpxr-2549 (opens in a new tab)
- Packagistcontao/coreGHSA-277w-qpxr-2549 (opens in a new tab)
- npmmediaelementGHSA-277w-qpxr-2549 (opens in a new tab)
References (9)
- https://github.com/johndyer/mediaelement/blob/master/changelog.md (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160507 CVE Request: wordpress and mediaelement (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://codex.wordpress.org/Version_4.5.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1035818 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://wpvulndb.com/vulnerabilities/8488 (opens in a new tab)x_refsource_MISCx_transferred
- https://wordpress.org/news/2016/05/wordpress-4-5-2/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://core.trac.wordpress.org/changeset/37371 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-277w-qpxr-2549 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .