Description
wp-admin/admin-functions.php in Wordpress before 2.2.3 and Wordpress multi-user (MU) before 1.2.5a does not properly verify the unfiltered_html privilege, which allows remote attackers to conduct cross-site scripting (XSS) attacks via modified data to (1) post.php or (2) page.php with a no_filter field.
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 | 2.2.3-1 | — |
| Debian 13 | wordpress | 2.2.3-1 | — |
| Debian 12 | wordpress | 2.2.3-1 | — |
References
- http://trac.wordpress.org/ticket/4720
- ADV-2007-3132 vdb-entry
- FEDORA-2007-2143 vendor-advisory
- wordpress-wordpressmu-unfilteredhtml-xss(36576) vdb-entry
- http://wordpress.org/development/2007/09/wordpress-223/
- 26771 third-party-advisory
- 25639 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=285831
- 26796 third-party-advisory