CVE-2023-6486: XSS
First published: Tue Apr 09 2024(Updated: )
The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS metabox in all versions up to and including 2.10.3 due to insufficient input sanitization and output escaping. 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.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Brainstorm Force Spectra | <2.10.4 | |
| Spectra WordPress Gutenberg Blocks | <=2.10.3 | |
| WordPress | <=2.10.3 |
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Reference Links
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve
- https://youtu.be/t5K745dBsT0
- https://advisory.abay.sh/cve-2023-6486
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3042670%40ultimate-addons-for-gutenberg%2Ftrunk&old=3037142%40ultimate-addons-for-gutenberg%2Ftrunk&sfp_email=&sfph_mail=
Frequently Asked Questions
Can unprivileged users exploit CVE-2023-6486?
No, CVE-2023-6486 can only be exploited by authenticated attackers with access to the WordPress dashboard.
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