Vulnerability · Published Apr 10, 2023 · Assigned by WPScan
CVE-2023-0874Klaviyo <= 3.0.10 - Admin+ Stored XSS
Medium 4.8
In plain English
A medium-severity security flaw in Klaviyo from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.4%top 61.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Klaviyo WordPress plugin before 3.0.10 does not sanitize 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 (as reported)
References
- https://wpscan.com/vulnerability/495e39db-793d-454b-9ef1-dd91cae2c49b exploit, vdb-entry, technical-description