CVE Tools
Sign in

CVE-2023-6486

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

Published: Apr 9, 2024Updated: Feb 6, 2025 Sources: CVE List NVDCWE-79
6.4MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 55.9%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
Nuclei

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

brainstormforce
commercialaka spectra gutenberg blocks – website builder for the block editor, spectra, ultimate addons for elementor
Spectra Gutenberg Blocks – Website Builder for the Block EditorWeb App
Web & CMS Plugins / site-builder
spectraOn-premWeb App
Web & CMS Plugins

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2023-6486?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/d4933a30-974f-487d-9444-b0ea1283a09c?source=cve
wordfence.com
https://youtu.be/t5K745dBsT0
youtu.be
https://advisory.abay.sh/cve-2023-6486
advisory.abay.sh
and 1 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-6486 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows