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CVE-2026-84169

UPI QR Code Payment Gateway <= 1.4.3 - Unauthenticated Cross-Order Payment-Status Forgery

MEDIUM
5.3
CVSS Score
Published: October 5, 2026 at 06:00 AM UTC
Updated: October 6, 2026 at 03:18 PM UTC
1 product affected across 1 vendorUPI QR Code Payment Gateway

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The UPI QR Code Payment Gateway WordPress plugin through 1.4.3 does not verify that a payment-confirmation request actually belongs to the order and customer it claims to confirm, allowing unauthenticated attackers to mark an arbitrary order as paid without making any payment.

Affected

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

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 (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/94a90832-4cf9-4664-9086-5705429f759c/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639

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