Description
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.
Published: 2024-04-09
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-58717 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.
History

Wed, 08 Apr 2026 18:30:00 +0000

Type Values Removed Values Added
Title Spectra – WordPress Gutenberg Blocks <= 2.10.3 - Authenticated(Contributor+) Cross-Site Scripting via Custom CSS

Fri, 27 Feb 2026 02:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 06 Feb 2025 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Brainstormforce
Brainstormforce spectra
Weaknesses CWE-79
CPEs cpe:2.3:a:brainstormforce:spectra:*:*:*:*:*:wordpress:*:*
Vendors & Products Brainstormforce
Brainstormforce spectra

Subscriptions

Brainstormforce Spectra
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:25:50.417Z

Reserved: 2023-12-04T15:24:20.528Z

Link: CVE-2023-6486

cve-icon Vulnrichment

Updated: 2024-08-02T08:28:21.812Z

cve-icon NVD

Status : Modified

Published: 2024-04-09T19:15:12.203

Modified: 2026-04-08T19:18:55.163

Link: CVE-2023-6486

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses