Jetpack 14.5 - 16.1.2 - Reflected to Stored Cross-Site Scripting via Reader Repost Parameters
The Jetpack – WP Security, Backup, Speed, & Growth plugin for WordPress is vulnerable to Cross-Site Scripting in versions 14.5 through 16.1.2 via the Reader repost initializer in the block editor bundles. The initializer reads the url, title, text, comment_content, and comment_author query parameters and interpolates them into block attributes without escaping or sanitization before calling resetEditorBlocks(). On WordPress 7.1, only title and url were demonstrated to persist into live executable markup; the other parameters did not produce a stored executable sink. This makes it possible for unauthenticated attackers to inject arbitrary web scripts into a post via a crafted link that, when opened and saved by a user with the unfiltered_html capability (administrator or editor by default), stores the payload in post_content where it executes in the browser of every subsequent visitor to the published post. The Blocks module must be active and the site must be Jetpack-connected or in offline mode for the vulnerable bundle to be enqueued.
Betroffene Software
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress-Plugin | Jetpack – WP Security, Backup, Speed, & Growth | = 14.5, = 14.6, = 14.7, = 14.8, >= 14.9, <= 14.9.1, >= 15.0, <= 15.0.2, >= 15.1, <= 15.1.1, = 15.2, >= 15.3, <= 15.3.1, = 15.4, = 15.5, = 15.6, >= 15.7, <= 15.7.1, = 15.8, >= 15.9, <= 15.9.1, >= 16.0, <= 16.0.1, >= 16.1, <= 16.1.2 | 14.5.1, 14.6.1, 14.7.1, 14.8.1, 14.9.2, 15.0.3, 15.1.2, 15.2.1, 15.3.2, 15.4.1, 15.5.1, 15.6.1, 15.7.2, 15.8.1, 15.9.2, 16.0.2, 16.1.3 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Schwäche (CWE)
CWE-79- Plattform
- WordPress
- Paket
Jetpack – WP Security, Backup, Speed, & Growth- Veröffentlicht
- 03.09.2026
- Aktualisiert
- 11.10.2026 10:23
Quellen und Lizenzen
Wordfence Intelligence - eda9ae01-cdc4-43e0-8a4c-1ec365939fa8 - 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: Jetpack – WP Security, Backup, Speed, & Growth
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
- 31
- Erste → letzte
- 08.2014 09.2026
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 0
Verteilung nach Schweregrad
- Kritisch 2
- Hoch 4
- Mittel 25
Veröffentlichungen pro Jahr
- 2017: 4
- 2018: 1
- 2019: 2
- 2020: 0
- 2021: 1
- 2022: 0
- 2023: 4
- 2024: 5
- 2025: 0
- 2026: 6
früher: 8
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Jetpack 14.5 - 16.1.2 - Reflected to Stored Cross-Site Scripting via Reader Repost Parameters dieser Eintrag
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