XSS in WordPress
CVE-2015-3439
Cross-site scripting (XSS) vulnerability in the Ephox (formerly Moxiecode) plupload.flash.swf shim 2.1.2 in Plupload, as used in WordPress 3.9.x, 4.0.x, and 4.1.x before 4.1.2 and other products, allows remote attackers to execute same-origin JavaScript functions via the target parameter, as demonstrated by executing a certain click function, related to _init.as and _fireEvent.as.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.051 (92.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
- WordPress — versions 3.9.0, 3.9.1, 3.9.2
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zoczus.blogspot.com/2015/04/plupload-same-origin-method-execution.html (Exploit)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html (vendor-advisory)
- wordpress.org/news/2015/04/wordpress-4-1-2/ (Exploit, Vendor Advisory)
- wpvulndb.com/vulnerabilities/7933
- www.securityfocus.com/bid/74269 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html (vendor-advisory)
- www.securitytracker.com/id/1032207 (vdb-entry)
- core.trac.wordpress.org/changeset/32168
- www.debian.org/security/2015/dsa-3250 (vendor-advisory)
- codex.wordpress.org/Version_4.1.2 (Exploit, Patch)
Frequently asked questions
- What is CVE-2015-3439?
- CVE-2015-3439 is a vulnerability in WordPress, classified under Cross-site Scripting. Published 2015-08-05.
- Is CVE-2015-3439 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.