What’s Vulnerable › Vulnerabilities

CVE-2022-3618: Spacer < 3.0.7 - Admin+ Stored XSS

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-11-21 · updated 2026-06-17

Description

The Spacer WordPress plugin before 3.0.7 does not sanitize and escapes some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example, in multisite setup).

Affected products

• Spacer: before 3.0.7 — fixed in 3.0.7

How to fix

Upgrade to a fixed version: Spacer 3.0.7. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/2011dc7b-8e8c-4190-ab34-de288e14685b
• https://wpscan.com/vulnerability/2011dc7b-8e8c-4190-ab34-de288e14685b

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