What’s Vulnerable › Vulnerabilities

CVE-2022-4226: Simple Basic Contact Form < 20221201 - Admin+ Stored XSS

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-26 · updated 2026-06-17

Description

The Simple Basic Contact Form WordPress plugin before 20221201 does not sanitise and escape 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

• Simple Basic Contact Form: before 20221201 — fixed in 20221201

How to fix

Upgrade to a fixed version: Simple Basic Contact Form 20221201. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/c5ca22e0-b7a5-468d-8366-1855ff33851b
• https://wpscan.com/vulnerability/c5ca22e0-b7a5-468d-8366-1855ff33851b

Get alerted when CVE-2022-4226 or the next vulnerability affects your stack