The String Locator plugin for WordPress is vulnerable to deserialization of untrusted input via the 'string-locator-path' parameter in versions up to, and including 2.5.0. This makes it possible for unauthenticated users to call files using a PHAR wrapper, granted they can trick a site administrator into performing an action such as clicking on a link, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| String Locator Plugin | — | Update string-locator plugin to version 2.6.0, or a newer patched version | May 15, 2025 | Aug 8, 2022 |
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