CVE-2026-6858

Transbank Webpay < 1.14.0 - Unauthenticated Stored XSS

HIGH
7.1
CVSS Score
Published: June 22, 2026 at 06:00 AM UTC
Updated: July 22, 2026 at 04:37 PM UTC
1 product affected across 1 vendorTransbank Webpay

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

60%
v < 1.14.0
Affected range stops below 1.14.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/81035d75-81a5-486a-a9fb-b0d1e0befe3c/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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