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Spectra Gutenberg Blocks – Website Builder for the Block Editor

ultimate-addons-for-gutenberg
total installs
1,000,000
total vulns
5
critical
0
high
0
medium
5
low
0
latest vuln
patched
5
unpatched
0
avg time to patch
vulnerabilities (5)
Spectra <= 2.19.22 - Missing Authorization
medium ✓ patched
cvss score 4.3
cwe CWE-862: Missing Authorization
published Mar 27, 2026
The Spectra plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 2.19.22. This makes it possible for authenticated attackers, with contributor-level access and above, to perform an unauthorized action.
Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Information Disclosure in Sensitive Data
medium ✓ patched
cvss score 5.3
cwe CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
published Feb 2, 2026
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Information Disclosure in all versions up to, and including, 2.19.17. This is due to the plugin failing to check `post_password_required()` before rendering post excerpts in the `render_excerpt()` function and the `uagb_get_excerpt()` helper function. This makes it possible for unauthenticated attackers to read excerpts of password-protected posts by simply viewing any page that contains a Spectra Post Grid, Post Masonry, Post Carousel, or Post Timeline block.
Spectra <= 2.19.17 - Missing Authorization
medium ✓ patched
cvss score 5.3
cwe CWE-862: Missing Authorization
published Jan 17, 2026
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 2.19.17. This makes it possible for unauthenticated attackers to perform an unauthorized action.
Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS
medium ✓ patched
cvss score 6.4
cwe CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
published Nov 4, 2025
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS in all versions up to, and including, 2.19.14 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.
Spectra – WordPress Gutenberg Blocks <= 2.19.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
medium ✓ patched
cvss score 6.4
cwe CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
published Mar 25, 2025
The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the uagb block in all versions up to, and including, 2.19.0 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.