CVE-2026-4663Network attack vector

Unauthenticated payment-setting overwrite via open REST endpoint

Published May 12, 2026 · Updated May 12, 2026

Missing authorization in Dejavoo iPOSpays Payment Gateway for WooCommerce 1.3.7 and earlier allows remote attackers to overwrite payment settings. The save_settings REST route accepts every request through __return_true and writes supplied values into woocommerce_ipospays_settings without capability or nonce checks. Exploitation requires no authentication or user interaction and can replace stored live API keys, secret keys, and payment tokens.

CVSS severity5.3
Medium
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Missing authorization in Dejavoo iPOSpays Payment Gateway for WooCommerce 1.3.7 and earlier allows remote attackers to overwrite payment settings. The save_settings REST route accepts every request through __return_true and writes supplied values into woocommerce_ipospays_settings without capability or nonce checks. Exploitation requires no authentication or user interaction and can replace stored live API keys, secret keys, and payment tokens.

The record

CVE
CVE-2026-4663
Published
May 12, 2026
Updated
May 12, 2026
Vendor
Dejavoo
Product
iPOSpays Payment Gateway for WooCommerce
Classifications
CWE-862, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 12, 2026CVE publishedPublication date reported by the CVE source.
  2. May 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.3.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dejavoo · iPOSpays Payment Gateway for WooCommerceversion=0 <=1.3.7

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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