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HIGH · 7.1

CVE-2026-6858

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

Vulnerability 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 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-6858?

CVE-2026-6858 is a vulnerability with a CVSS score of 7.1 (HIGH). 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

How severe is CVE-2026-6858?

CVE-2026-6858 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-6858?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.