CVE-2023-6692: Ultimate Blocks – WordPress Blocks Plugin <= 3.0.8 - Authenticated(Contributor+) Stored Cross-Site Scripting via metabox
First published: Wed Jun 19 2024(Updated: )
The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's tab anchor metabox in all versions up to, and including, 3.0.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ultimate Blocks | <=3.0.8 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-6692?
CVE-2023-6692 is classified as a high severity vulnerability.
How do I fix CVE-2023-6692?
To fix CVE-2023-6692, update the Ultimate Blocks WordPress Blocks Plugin to version 3.0.9 or later.
What type of vulnerability is CVE-2023-6692?
CVE-2023-6692 is a Stored Cross-Site Scripting (XSS) vulnerability.
Who is affected by CVE-2023-6692?
Any user of the Ultimate Blocks WordPress Blocks Plugin on versions up to and including 3.0.8 is affected by CVE-2023-6692.
What causes CVE-2023-6692?
CVE-2023-6692 is caused by insufficient input sanitization and output escaping on user supplied attributes in the plugin.
- agent/title
- agent/weakness
- agent/references
- agent/type
- agent/description
- agent/first-publish-date
- agent/severity
- agent/author
- agent/event
- collector/nvd-api
- source/NVD
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/ultimate blocks
- canonical/ultimate blocks