CVE-2023-0538: Campaign Url Builder Project Campaign Url Builder

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The Campaign URL Builder WordPress plugin before 1.8.2 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

• Campaign Url Builder Project Campaign Url Builder: before 1.8.2 (fixed in 1.8.2)

Published 2023-03-13. Last modified 2026-06-17.