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Vulnerability record · CVE-2026-6858 · published 22 June 2026

CVE-2026-6858: Cross-site scripting vulnerability

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

7.1 CVSS 3.1 High EPSS 0.29% · top 80.4% CWE-79 · Cross-site scripting Deferred
7.1CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
22 Jul 2026Last modified by NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References

LinkTags
https://wpscan.com/vulnerability/81035d75-81a5-486a-a9fb-b0d1e0befe3c/
https://hackedalert.com/research/transbank-webpay-plugin-xss-to-rce/

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Source: NIST National Vulnerability Database (record CVE-2026-6858), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.