SEPTEMBER 7, 2026
Live Feed
Back to database
Case File

CVE-2026-12900

MEDIUM · CVSS 6.4 EPSS 0.19%

Source: NVD + CISA KEV + EPSS · Published 2026-07-20 · Last synced 2026-08-19

CyberRota Analysis

AI-Generated

The Spectra Gutenberg Blocks plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping in the `uagb/image` block, affecting all versions up to 2.19.28. This vulnerability allows authenticated attackers with Contributor-level access or higher to inject malicious scripts into pages, which can execute when users visit those pages. WordPress site administrators and developers using this plugin should prioritize patching to mitigate potential exploitation risks.

CVE
CVE-2026-12900
Severity
MEDIUM
CVSS
6.4
EPSS
0.19%
WordPress

Original NVD Description

The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `uagb/image` block in all versions up to, and including, 2.19.28 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.