CVE-2016-4567

mediumpriority · track · 27EPSS 0.074 · 94 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

7.35% (94th) EPSS

CVSS 4.3 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

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."

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.05.6mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
mediaelementjs mediaelement.js≤ 2.20.1nvdUScpe:2.3:a:mediaelementjs:mediaelement.js:*:*:*:*:*:*:*:*
wordpress wordpress≤ 4.5.1nvdUScpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Packagist contao-components/mediaelement2.14.2 → 2.21.1osvUSpkg:composer/contao-components/mediaelement
Packagist contao/core3.0.0 → 3.5.15osvUSpkg:composer/contao/core
npm mediaelement< 2.11.1osvUSpkg:npm/mediaelement

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-277w-qpxr-2549MediaElement Vulnerable to Reflected XSS 2022-05-17ghsa · osvUS
Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.swf 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."

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2016-05-22modified 2026-06-17

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+53061 more

references (24)

External citations — patches, advisories, analysis.

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