WordPress Core < 4.9.7 - Authenticated Arbitrary File Deletion
WordPress through 4.9.6 allows Author users to execute arbitrary code by leveraging directory traversal in the wp-admin/post.php thumb parameter, which is passed to the PHP unlink function and can delete the wp-config.php file. This is related to missing filename validation in the wp-includes/post.php wp_delete_attachment function. The attacker must have capabilities for files and posts that are normally available only to the Author, Editor, and Administrator roles. The attack methodology is to delete wp-config.php and then launch a new installation process to increase the attacker's privileges.
Betroffene Software
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress (Kern) | WordPress | < 3.7, >= 3.7, <= 3.7.26, >= 3.8, <= 3.8.26, >= 3.9, <= 3.9.24, >= 4.0, <= 4.0.23, >= 4.1, <= 4.1.23, >= 4.2, <= 4.2.20, >= 4.3, <= 4.3.16, >= 4.4, <= 4.4.15, >= 4.5, <= 4.5.14, >= 4.6, <= 4.6.11, >= 4.7, <= 4.7.10, >= 4.8, <= 4.8.6, >= 4.9, <= 4.9.6 | 3.7.27, 3.8.27, 3.9.25, 4.0.24, 4.1.24, 4.2.21, 4.3.17, 4.4.16, 4.5.15, 4.6.12, 4.7.11, 4.8.7, 4.9.7 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Schwäche (CWE)
CWE-22- Plattform
- WordPress
- Paket
WordPress- Veröffentlicht
- 05.07.2018
- Aktualisiert
- 11.10.2026 10:23
Quellen und Lizenzen
Wordfence Intelligence - c38a5e59-3233-4b37-bd6f-baf5dc9f9a01 - Wordfence Intelligence
Copyright 1999-2026 The MITRE Corporation
Copyright 2012-2026 Defiant Inc.
This record contains material that is subject to copyright
Copyright 1999-2026 The MITRE Corporation
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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: WordPress
Alle veröffentlichten Schwachstellen dieses Pakets (WordPress (Kern)), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.
- Einträge insgesamt
- 385
- Erste → letzte
- 06.2003 10.2026
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 3
Verteilung nach Schweregrad
- Kritisch 16
- Hoch 95
- Mittel 263
- Niedrig 11
Veröffentlichungen pro Jahr
- 2017: 39
- 2018: 15
- 2019: 22
- 2020: 23
- 2021: 5
- 2022: 20
- 2023: 14
- 2024: 4
- 2025: 2
- 2026: 36
früher: 205
-
WordPress Core < 4.9.7 - Authenticated Arbitrary File Deletion dieser Eintrag
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