Description
WordPress before 3.7.5, 3.8.x before 3.8.5, 3.9.x before 3.9.3, and 4.x before 4.0.1 might allow remote attackers to obtain access to an account idle since 2008 by leveraging an improper PHP dynamic type comparison for an MD5 hash.
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 | 4.0.1+dfsg-1 | — |
| Debian 13 | wordpress | 4.0.1+dfsg-1 | — |
| Debian 12 | wordpress | 4.0.1+dfsg-1 | — |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u5 | DSA-3085-1 |
| Debian 6.0 | wordpress | 3.6.1+dfsg-1~deb6u6 | DLA-236-1 |
Advisories 2
- DLA-236-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3085-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-3085 vendor-advisory
- [oss-security] 20141125 Re: WordPress 4.0.1 Security Release mailing-list
- http://advisories.mageia.org/MGASA-2014-0493.html
- 1031243 vdb-entry
- MDVSA-2014:233 vendor-advisory
- https://wordpress.org/news/2014/11/wordpress-4-0-1/