What’s Vulnerable › Vulnerabilities

CVE-2023-0066: Companion Sitemap Generator <= 4.5.1.1 - Contributor+ Stored XSS

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-13 · updated 2026-06-17

Description

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

• Companion Sitemap Generator: through 4.5.1.1

References

• https://wpscan.com/vulnerability/545c9e2f-bacd-4f30-ae01-de1583e26d32
• https://wpscan.com/vulnerability/545c9e2f-bacd-4f30-ae01-de1583e26d32

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