Home/CVE/Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in Word
CVE

CVE-2016-4567

Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in Word

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.".

MEDIUM · CVSS 6.1 EPSS 0.04155
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
mediaelementjs mediaelement.js<= 2.20.1
wordpress<= 4.5.1
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist contao-components/mediaelement MODERATE fixed in 2.21.1
Packagist contao/core MODERATE fixed in 3.5.15
npm mediaelement MODERATE fixed in 2.11.1
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 May 2016 · 01:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/05/07/2
http://www.securitytracker.com/id/1035818Third Party AdvisoryVDB Entry
https://codex.wordpress.org/Version_4.5.2PatchVendor Advisory
https://core.trac.wordpress.org/changeset/37371Patch
https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9cThird Party Advisory
https://github.com/johndyer/mediaelement/blob/master/changelog.mdPatchVendor Advisory
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