Description
Plupload before 1.5.4, as used in wp-includes/js/plupload/ in WordPress before 3.3.2 and other products, enables scripting regardless of the domain from which the SWF content was loaded, which allows remote attackers to bypass the Same Origin Policy via crafted content.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wordpress | 3.3.2+dfsg-1 | — |
| Debian 13 | wordpress | 3.3.2+dfsg-1 | — |
| Debian 12 | wordpress | 3.3.2+dfsg-1 | — |
| Debian 6.0 | wordpress | 3.3.2+dfsg-1~squeeze1 | DSA-2470-1 |
Advisories 1
- DSA-2470-1 wordpress - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 81461 vdb-entry
- 49138 third-party-advisory
- http://www.plupload.com/punbb/viewtopic.php?id=1685
- http://core.trac.wordpress.org/browser/branches/3.3/wp-includes/js/plupload?rev=20487
- wordpress-plupload-sec-bypass(75208) vdb-entry
- DSA-2470 vendor-advisory
- https://nealpoole.com/blog/2012/05/xss-and-csrf-via-swf-applets-swfupload-plupload/
- http://core.trac.wordpress.org/browser/branches/3.3/wp-includes/js/plupload/changelog.txt?rev=20487
- 53192 vdb-entry
- http://wordpress.org/news/2012/04/wordpress-3-3-2/