VYPR
Medium severity6.4NVD Advisory· Published Sep 1, 2026

CVE-2026-18488

CVE-2026-18488

Description

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'tagName' Block Attribute (blocksy/dynamic-data) in all versions up to, and including, 2.1.51 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

1

Patches

Vulnerability mechanics

References

11

News mentions

0

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