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The VK All in One Expansion Unit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'vkExUnit_cta_url' and 'vkExUnit_cta_button_text' parameters in all versions up to, and including, 9.112.1. This is due to a logic error in the CTA save function that reads sanitization callbacks from the wrong variable ($custom_field_name instead of $custom_field_options), causing the sanitization to never be applied. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that execute when a user accesses an injected page.",
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Vk All In One Expansion Unit Plugin | — | Update vk-all-in-one-expansion-unit plugin to version 9.112.2, or a newer patched version | Nov 18, 2025 | Nov 17, 2025 |
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