CVE-2026-6858: Unknown Transbank Webpay

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The Transbank Webpay WordPress plugin before 1.14.0 does not sanitize and escape logs to be displayed, allowing unauthenticated users to perform Stored XSS attacks against logged in administrator

Affected products

• Unknown Transbank Webpay: before 1.14.0 (fixed in 1.14.0)

Published 2026-06-22. Last modified 2026-07-22.