0.0
NA
CVE-2026-103312
Payment Integration Wompi <= 4.0.1 - Unauthenticated Payment Confirmation Forgery via IPN Callback
Description

The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to forge a notification and mark an arbitrary order as paid.

INFO

Published Date :

Oct. 27, 2026, 6:17 a.m.

Last Modified :

Oct. 27, 2026, 6:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-103312 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the plugin to verify payment notification authenticity and prevent fraudulent order fulfillment.
  • Update the Wompi WordPress plugin to the latest version.
  • Ensure the merchant secret is correctly configured in the plugin.
  • Verify incoming payment notification authenticity.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-103312.

URL Resource
https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-103312 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-103312 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-103312 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-103312 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 27, 2026

    Action Type Old Value New Value
    Added Description The Payment Integration Wompi WordPress plugin through 4.0.1 does not verify the authenticity of incoming payment notifications on a stock install, because the callback's checksum is keyed on a merchant secret that is empty until it is manually configured, allowing an unauthenticated attacker to forge a notification and mark an arbitrary order as paid.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/103xxx/CVE-2026-103312.json">CVE-2026-103312</a>
    Added Reference https://wpscan.com/vulnerability/617a62de-f7d6-461e-bbf2-db6092a3346f/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.