Gutenberg 12.9.0 - 18.0.0 - Unauthenticated & Authenticated (Contributor+) Stored Cross-Site Scripting via Avatar Block
The Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in versions 12.9.0 to 18.0.0 due to insufficient output escaping on the display name. 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. In addition, it also makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that have the comment block present and display the comment author's avatar.
Betroffene Software
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress-Plugin | Gutenberg | >= 12.9.0, <= 18.0.0 | 18.01 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N- Schwäche (CWE)
CWE-79- Plattform
- WordPress
- Paket
Gutenberg- Veröffentlicht
- 09.04.2024
- Aktualisiert
- 11.10.2026 10:22
Quellen und Lizenzen
Wordfence Intelligence - 63f26380-0bc2-4fe7-9e9d-05c688c201f9 - Wordfence Intelligence
Copyright 2012-2026 Defiant Inc.
This record contains material that is subject to copyright
Copyright 2012-2026 Defiant Inc.
Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.
https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/Wordfence Intelligence
Wordfence Intelligence - Defiant, Inc. Copyright Defiant, Inc. All rights reserved except as granted below. License grant, section 3.1 of the Wordfence Intelligence Terms and Conditions (January 26, 2026): Subject to this Agreement, Company hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute the Service. Any copy you make for such purposes is authorized provided that you reproduce Company’s copyright designation, this license, and the license of any disclosed Company licensor in any such copy. Full applicable Agreement: https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/
Schwachstellenhistorie: Gutenberg
Alle veröffentlichten Schwachstellen dieses Pakets (WordPress-Plugin), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.
- Einträge insgesamt
- 6
- Erste → letzte
- 03.2022 10.2025
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 0
Verteilung nach Schweregrad
- Mittel 6
Veröffentlichungen pro Jahr
- 2022: 2
- 2023: 1
- 2024: 2
- 2025: 1
- 2026: 0
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Gutenberg 12.9.0 - 18.0.0 - Unauthenticated & Authenticated (Contributor+) Stored Cross-Site Scripting via Avatar Block dieser Eintrag
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