Showing 11 vulnerabilities on this page for Spectra Gutenberg Blocks – Website Builder for the Block Editor

Signals CISA KEV Ransomware Nuclei
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VulnerabilityTitle and contextCVSSEPSSPoCsSignalsSTIX action

Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.19.25. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server. Exploitation requires a two-block payload embedded in post content: the first block registers a fake uagb/-prefixed block type with an attacker-specified render_callback, and the second block of the sa

CWE-269May 30, 2026
CVSS8.8v3.1EPSS1.17%PoCs2SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Information Disclosure in Sensitive Data

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 S

CWE-200Feb 3, 2026
CVSS5.3v3.1EPSS0.346%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS

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.

CWE-79Nov 5, 2025
CVSS6.4v3.1EPSS0.216%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.19.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

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.

CWE-79Mar 26, 2025
CVSS6.4v3.1EPSS0.279%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.16.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Team Widget

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'Team' widget in all versions up to, and including, 2.16.2 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

CWE-79Dec 3, 2024
CVSS6.4v3.1EPSS0.288%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.13.0 - Authenticated (Author+) Stored Cross-Site Scripting

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘block_id’ parameter in versions up to, and including, 2.13.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE-79May 24, 2024
CVSS6.4v3.1EPSS0.263%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.12.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Testimonial Block

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Testimonial block in all versions up to, and including, 2.12.8 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

CWE-79May 23, 2024
CVSS6.4v3.1EPSS0.257%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.12.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Image Gallery Block

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Image Gallery block in all versions up to, and including, 2.12.8 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

CWE-79May 23, 2024
CVSS6.4v3.1EPSS0.263%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.12.6 - Authenticated (Contributor+) Path Traversal

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Path Traversal in versions up to, and including, 2.12.6 via the get_block_default_attributes function. This allows authenticated attackers, with contributor-level permissions and above, to read the contents of any files named attributes.php on the server, which can contain sensitive information.

CWE-22May 2, 2024
CVSS4.3v3.1EPSS0.618%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 2.10.3 - Authenticated(Contributor+) Cross-Site Scripting via Custom CSS

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS metabox in all versions up to and including 2.10.3 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.

CWE-79Apr 9, 2024
CVSS6.4v3.1EPSS0.572%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Spectra – WordPress Gutenberg Blocks <= 1.14.7 - Missing Authorization

The Ultimate Addons for Gutenberg plugin for WordPress is vulnerable to Authenticated Settings Change in versions up to, and including, 1.14.7. This is due to missing capability checks on several AJAX actions. This makes it possible for authenticated attackers with subscriber+ roles to update the plugin's settings.

CWE-862Jun 7, 2023
CVSS5.5v3.1EPSS0.42%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX