Otter Blocks PRO – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE

Otter Blocks PRO – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE has 3 disclosed vulnerabilities in the WordSec catalog, all reported in 2024; all 3 are fixed as of September 2026. Their average CVSS score is 5.6, and the most serious one scores 6.4 out of 10. 2024 was the busiest year with 3 disclosures.

The most common weakness is Cross-Site Scripting, behind 2 of the records (67%). Other recurring categories include Exposure Of Sensitive Information To An Unauthorized Actor.

Every one of the 3 issues recorded for Otter Blocks PRO – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE has a vendor fix available, so running the current release closes all known holes.

2 independent researchers contributed these findings, most of them (2) reported by wesley (wcraft).