CVE-2016-4566
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
- Exploit odds
- 6.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 6.0% in the next 30 days (EPSS).
- Severity: 6.1 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 6.0% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Modified
Affected
- WordPress ≤ 4.5.1
- Plupload ≤ 2.1.8
Attack profile CVSS 3.0 · 6.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-4566.md and follow it. Check whether this project is affected by CVE-2016-4566. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.plupload.com/punbb/viewtopic.php?pid=28690
- https://codex.wordpress.org/Version_4.5.2
- https://core.trac.wordpress.org/changeset/37382/
- https://wordpress.org/news/2016/05/wordpress-4-5-2/
- http://www.plupload.com/punbb/viewtopic.php?pid=28690
- https://codex.wordpress.org/Version_4.5.2
- https://core.trac.wordpress.org/changeset/37382/
- https://wordpress.org/news/2016/05/wordpress-4-5-2/
References
- http://www.openwall.com/lists/oss-security/2016/05/07/2
- http://www.plupload.com/punbb/viewtopic.php?pid=28690
- http://www.securitytracker.com/id/1035818
- https://codex.wordpress.org/Version_4.5.2
- https://core.trac.wordpress.org/changeset/37382/
- https://gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e
- https://wordpress.org/news/2016/05/wordpress-4-5-2/
- https://wpvulndb.com/vulnerabilities/8489
- http://www.openwall.com/lists/oss-security/2016/05/07/2
- http://www.plupload.com/punbb/viewtopic.php?pid=28690
- http://www.securitytracker.com/id/1035818
- https://codex.wordpress.org/Version_4.5.2
- https://core.trac.wordpress.org/changeset/37382/
- https://gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e
- https://wordpress.org/news/2016/05/wordpress-4-5-2/
- https://wpvulndb.com/vulnerabilities/8489