CVE-2026-7465— Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes
In-the-Wild Activity Observed github_trending · low
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| brainstormforce | Spectra Gutenberg Blocks – Website Builder for the Block Editor | ≤ 2.19.25 | affected |
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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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| brainstormforce | Spectra Gutenberg Blocks – Website Builder for the Block Editor | 0 ~ 2.19.25 | - |
II. Public POCs for CVE-2026-7465
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Pages for CVE-2026-7465 (1)
Other References for CVE-2026-7465 (5)
IV. Related Vulnerabilities
- CVE-2026-0950
Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Inform - CVE-2025-11162
Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cro - CVE-2025-1784
Spectra – WordPress Gutenberg Blocks <= 2.19.0 - Authenticat - CVE-2024-10484
Spectra – WordPress Gutenberg Blocks <= 2.16.2 - Authenticat - CVE-2024-4366
Spectra – WordPress Gutenberg Blocks <= 2.13.0 - Authenticat
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Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Inform - CVE-2025-14351
Custom Fonts – Host Your Fonts Locally <= 2.1.16 - Missing A
Same weakness: CWE-269
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Advanced Custom Fields: Extended <= 0.9.2.5 - Unauthenticate - CVE-2026-44543
Local Path Provisioner: HelperPod Template Injection - CVE-2026-8980
Privilege Escalation
V. Comments for CVE-2026-7465
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