The Bilingual Linker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the bl_otherlang_link_1 parameter in all versions up to, and including, 2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Bilingual Linker Plugin | — | Update bilingual-linker plugin to version 2.4.1, or a newer patched version | May 15, 2025 | Jan 24, 2025 |
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