What’s Vulnerable › Vulnerabilities

CVE-2021-38347: Custom Website Data <= 2.2 Reflected Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-10 · updated 2026-06-17
• Weakness: CWE-79

Description

The Custom Website Data WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the id parameter found in the ~/views/edit.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.2.

Affected products

• Custom Website Data: through 2.2

References

• https://plugins.trac.wordpress.org/browser/simple-custom-website-data/tags/2.2/views/edit.php#L30
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38347
• https://plugins.trac.wordpress.org/browser/simple-custom-website-data/tags/2.2/views/edit.php#L30
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38347

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