🎁Wordfence just launched its bug bounty program. From today through December 20th 2023, all researchers will earn 6.25x our normal bounty rates when Wordfence handles responsible disclosure for our Holiday Bug Extravaganza! Register as a researcher and submit your vulnerabilities today!🎁
WordPress Core 5.8 beta - Stored Cross-Site Scripting in Custom HTML Block
| CVE | CVE-2021-39202 |
|---|---|
| CVSS | 7.6 (High) |
| Publicly Published | September 9, 2021 |
| Last Updated | August 29, 2023 |
| Researcher |
Evan Ricafort
- Invalid Web Security
|
Description
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.
References
Share
1 affected software package
| Software Type | Core |
|---|---|
| Patched? | Yes |
| Remediation | Update to version 5.8, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
This record contains material that is subject to copyright.
Copyright 2012-2023 Defiant Inc.
License: 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. Read more.
Copyright 1999-2023 The MITRE Corporation
License: CVE Usage: MITRE 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 Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more.
Have information to add, or spot any errors? Contact us at wfi-support@wordfence.com so we can make any appropriate adjustments.
Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!
Learn moreWant to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.
The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.
Documentation