What’s Vulnerable › Vulnerabilities

CVE-2023-25456: WordPress Klaviyo Plugin <= 3.0.7 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 4.8 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: none known
• Published: 2023-03-23 · updated 2026-06-17
• Weakness: CWE-79

Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Klaviyo, Inc. Klaviyo plugin <= 3.0.7 versions.

Affected products

• Klaviyo, Inc. Klaviyo: through 3.0.7

References

• https://patchstack.com/database/vulnerability/klaviyo/wordpress-klaviyo-plugin-3-0-7-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/klaviyo/wordpress-klaviyo-plugin-3-0-7-cross-site-scripting-xss-vulnerability?_s_id=cve

Get alerted when CVE-2023-25456 or the next vulnerability affects your stack