Description
Open redirect vulnerability in the wp_validate_redirect function in wp-includes/pluggable.php in WordPress before 4.4.2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a malformed URL that triggers incorrect hostname parsing, as demonstrated by an https:example.com URL.
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 | 4.4.2+dfsg-1 | — |
| Debian 13 | wordpress | 4.4.2+dfsg-1 | — |
| Debian 12 | wordpress | 4.4.2+dfsg-1 | — |
| Debian 8 | wordpress | 4.1+dfsg-1+deb8u8 | DSA-3472-1 |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u10 | DSA-3472-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | wordpress | 3.6.1+dfsg-1~deb6u9 | DLA-418-1 |
Advisories 2
- DSA-3472-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-418-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026