Description
In WordPress before 4.7.5, there is insufficient redirect validation in the HTTP class, leading to SSRF.
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 | 4.7.5+dfsg-1 | — |
| Debian 13 | wordpress | 4.7.5+dfsg-1 | — |
| Debian 12 | wordpress | 4.7.5+dfsg-1 | — |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u16 | DLA-1075-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | wordpress | No fix yet | — |
Advisories 1
- DLA-1075-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-4090 vendor-advisory
- 1038520 vdb-entry
- https://wpvulndb.com/vulnerabilities/8815
- https://wordpress.org/news/2017/05/wordpress-4-7-5/
- 98509 vdb-entry
- https://twitter.com/skansing/status/865362551097393153
- https://github.com/WordPress/WordPress/commit/76d77e927bb4d0f87c7262a50e28d84e01fd2b11
- https://codex.wordpress.org/Version_4.7.5