Vulnerability · Published Jun 22, 2026 · Assigned by WPScan
CVE-2026-6858Transbank Webpay < 1.14.0 - Unauthenticated Stored XSS
High 7.1
In plain English
A high-severity cross-site scripting in Transbank Webpay from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 78.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Transbank Webpay | 0 – before 1.14.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
References
- https://wpscan.com/vulnerability/81035d75-81a5-486a-a9fb-b0d1e0befe3c/ exploit, vdb-entry, technical-description
- https://hackedalert.com/research/transbank-webpay-plugin-xss-to-rce/