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WordPress through 4.8.2 uses a weak MD5-based password hashing algorithm, which makes it easier for attackers to determine cleartext values by leveraging access to the hash values. NOTE: the approach to changing this may not be fully compatible with certain use cases, such as migration of a WordPress site from a web host that uses a recent PHP version to a different web host that uses PHP 5.2. These use cases are plausible (but very unlikely) based on statistics showing widespread deployment of WordPress with obsolete PHP versions.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | No solution existsUpgrade wordpress | May 15, 2025 | May 15, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 19, 2017 |
| Wordpress | — | Upgrade Wordpress to version 4.8.3 | Nov 23, 2017 | Oct 19, 2017 |
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