CVE-2026-6858

Transbank Webpay < 1.14.0 - Unauthenticated Stored XSS

Published Jun 22, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Transbank
Transbank transbank Webpay Rest
Wordpress
Wordpress wordpress
Vendors & Products Transbank
Transbank transbank Webpay Rest
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
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
Title Transbank Webpay < 1.14.0 - Unauthenticated Stored XSS
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jul 22, 2026, 2:46 PM
Reserved
Apr 22, 2026, 12:53 PM
Status
Deferred
Published
Jun 22, 2026, 6:16 AM
Modified
Jul 22, 2026, 4:18 PM