Description
wp-includes/comment.php in WordPress before 3.0.2 does not properly whitelist trackbacks and pingbacks in the blogroll, which allows remote attackers to bypass intended spam restrictions via a crafted URL, as demonstrated by a URL that triggers a substring match.
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 | 3.0.2-1 | — |
| Debian 13 | wordpress | 3.0.2-1 | — |
| Debian 12 | wordpress | 3.0.2-1 | — |