XSS in Plupload
CVE-2016-4566
Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- core.trac.wordpress.org/changeset/37382/ (Patch)
- www.openwall.com/lists/oss-security/2016/05/07/2 (mailing-list)
- www.plupload.com/punbb/viewtopic.php (Vendor Advisory)
- wpvulndb.com/vulnerabilities/8489 (Third Party Advisory)
- codex.wordpress.org/Version_4.5.2 (Patch)
- www.securitytracker.com/id/1035818 (VDB Entry, Third Party Advisory, vdb-entry)
- wordpress.org/news/2016/05/wordpress-4-5-2/ (Patch, Vendor Advisory)
- gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e (Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4566?
- CVE-2016-4566 is a medium-severity vulnerability in Plupload, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-05-22.
- How severe is CVE-2016-4566?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2016-4566 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.