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CVE-2026-7465— Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes

CVSS 8.8 · High EPSS 0.22% · P45

Affected Version Matrix 1

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I. Basic Information for CVE-2026-7465

Vulnerability Information

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Vulnerability Title
Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 same fake type triggers invocation of that callback via call_user_func() during sequential block rendering in the same page request.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
brainstormforceSpectra Gutenberg Blocks – Website Builder for the Block Editor 0 ~ 2.19.25 -

II. Public POCs for CVE-2026-7465

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III. Intelligence Information for CVE-2026-7465

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Vendor Pages for CVE-2026-7465 (1)

Other References for CVE-2026-7465 (5)

IV. Related Vulnerabilities

V. Comments for CVE-2026-7465

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