CVE-2026-84043 json
ePayco Payment Gateway for WooCommerce < 8.4.7 - Unauthenticated Payment Confirmation Bypass
published 2026-09-04 2 mo ago modified 2026-09-08 2 mo ago also EUVD-2026-70991
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
The ePayco Payment Gateway for WooCommerce WordPress plugin before 8.4.7 does not properly verify the authenticity of payment confirmation requests, allowing unauthenticated attackers to mark orders as paid without a valid gateway signature.
Patch / fix
- Unknown ePayco Payment Gateway for WooCommerce 8.4.7
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/96599654-1d7f-4ff0-a4b4-26e540375a67/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown ePayco Payment Gateway for WooCommerce
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
- Technology feeds
References
-
wpscan.com
/vulnerability/96599654-1d7f-4ff0-a4b4-26e540375a67/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-84043
- NVD CVE-2026-84043
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.