Stored Cross-Site Scripting Vulnerability in WordPress Gutenberg Blocks Plugin
CVE-2023-6486

6.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Spectra – WordPress Gutenberg Blocks
Vendor
CVE Published:
9 April 2024

Summary

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.

Affected Version(s)

Spectra – WordPress Gutenberg Blocks * <= 2.10.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://youtu.be/t5K745dBsT0
https://advisory.abay.sh/cve-2023-6486

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Akbar Kustirama
.