CVE-2016-4567 json
MediaElement Vulnerable to Reflected XSS
published 2016-05-22 10 y ago modified 2026-06-17 4 mo ago also GHSA-277w-qpxr-2549 , EUVD-2022-1928
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.4%
- EPSS 7.4% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
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."
Patch / fix
- npm mediaelement 2.11.1
- packagist contao-components/mediaelement 2.21.1
- packagist contao/core 3.5.15
- github.com/johndyer/mediaelement@34834ee commit
- github.com/mediaelement/mediaelement@34834ee commit
- core.trac.wordpress.org/changeset/37371 patch
- github.com/johndyer/mediaelement/blob/master/changelog.md advisory
- codex.wordpress.org/Version_4.5.2 advisory
- wordpress.org/news/2016/05/wordpress-4-5-2/ advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-4567 updated cvss 5.8
wordpress: 4.5.2 Security Release
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
7.35% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | mediaelement | <2.11.1 |
2.11.1 |
| packagist | contao-components/mediaelement | >=2.14.2, <2.21.1 |
2.21.1 |
| packagist | contao/core | >=3.0.0, <3.5.15 |
3.5.15 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
github.com
/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e
web, patch, vendor-advisory
-
github.com
/johndyer/mediaelement/blob/master/changelog.md
web, patch, vendor-advisory
-
codex.wordpress.org
/Version_4.5.2
web, patch, vendor-advisory
-
wordpress.org
/news/2016/05/wordpress-4-5-2/
patch, vendor-advisory
-
core.trac.wordpress.org
/changeset/37371
web, patch
-
github.com
/mediaelement/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e
web
-
openwall.com
/lists/oss-security/2016/05/07/2
mailing-list, web
-
securitytracker.com
/id/1035818
vdb-entry, web, third-party-advisory
-
gist.github.com
/cure53/df34ea68c26441f3ae98f821ba1feb9c
web, third-party-advisory
-
wpvulndb.com
/vulnerabilities/8488
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2016-4567
advisory
-
contao.org
/en/news/contao-3_5_15.html
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/contao-components/mediaelement/CVE-2016-4567.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2016-4567.yaml
web
-
github.com
/mediaelement/mediaelement/blob/b992ccf5f0c04a207d98bbb0868420751a61ec90/changelog.md?plain=1#L1024
web
-
github.com
/mediaelement/mediaelement/blob/master/changelog.md
web
-
web.archive.org
/web/20170205142412/http://www.securitytracker.com/id/1035818
web
-
wordpress.org
/news/2016/05/wordpress-4-5-2
web
Sources
- CVE List CVE-2016-4567
- GitHub Advisory GHSA-277w-qpxr-2549
- NVD CVE-2016-4567
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.